According to official website, the Ministry of Education, the number of applicants for the national college entrance examination in 2023 was 12.91 million, an increase of 980,000 over last year and a record high. At 9: 00 on June 7, the students stepped into the examination room and officially started the college entrance examination journey. This exam is very important for candidates, and it has attracted the attention of every family and all walks of life, and all walks of life have tried their best to provide better service guarantee for candidates.

Today, the one-to-one express delivery platform of the instant delivery industry announced that the love test-taking activity was officially launched in 2023, which is also the sixth year of the love test-taking activity.June 7thtill/extremelysixmoon10sunDuring the college entrance examination, all orders related to the college entrance examination are allFree delivery, covering 2% of the flash service.60A city. Flash generalas alwaysInvest all the strength of the courier to help the candidates take the exam smoothly..

Flash means that during the college entrance examination, if candidates forget to bring admission tickets, ID cards and other reference documents, stationery, etc., they can place orders through flash apps, flash applets and other channels to enjoy the benefits of flash love test-taking activities. After completing the service by flash, the user will reply "Free of College Entrance Examination" in the background of "Flash" and "Call a Flash" WeChat WeChat official account with the photos of candidates’ admission tickets and screenshots of orders, and can enjoy the discount of free of charge according to the prompts. The flash fee will be returned to the original account within 3-5 working days. During the national college entrance examination from June 7 to June 10, each admission ticket can enjoy the right of two free tickets per day.

In order to help candidates take the exam to the greatest extent, the transportation support department will give priority to ensuring the order service related to the college entrance examination and strive to respond to the candidates’ urgent delivery needs at the first time. The customer service department will also be on standby 24 hours a day, promising to give priority to the orders related to the college entrance examination.

Flash delivery, as a pioneer in the one-to-one express delivery industry, defines the service standard and service limitation of one-to-one express delivery. One-to-one service mode makes it clear that the flasher only serves one customer at a time from pickup to delivery, so the service is faster, more certain and safer, and can also provide various exclusive services for the majority of candidates.

In the face of unexpected situations such as traffic jams during the college entrance examination, flashers can avoid the impact of traffic jams to the greatest extent through flexible delivery tools such as electric cars and motorcycles, and deliver the items needed by candidates with the fastest speed.

Liu Xuezhu, the person in charge of foreign affairs of Flash, said: "Flash actively practices corporate social responsibility, and feeds back the society through multi-dimensional public welfare actions such as setting up volunteer service teams, caring for exams, and college entrance examination programs. The love test-assisting activity is a small charity action project that was launched in 2018. It aims to call on all the flashers to practice the concept of’ delivering with kindness’ and help the college entrance examination candidates to successfully take the test. "

Today’s automobile market is full of flowers, and there are so many choices that consumers don’t have to be confined to a certain level when buying a car. What I want to introduce to you today is. Let’s take you to appreciate its style.

First of all, from the appearance, the shape of the front face of Extreme Yue 07 has taken a round and lovely route, which looks sporty. Coupled with stylish and simple headlights, it outlines the effect of fashion atmosphere. The car is equipped with LED daytime running lights, automatic opening and closing, adaptive far and near light and so on. Come to the side of the car, the car body size is 4953MM*1989MM*1475MM, the car uses dignified lines, the side gives people a very comfortable feeling, with large-size thick-walled tires, eye-catching shape. Looking back, the rear of the car echoes the front face from afar, and the taillights are younger in style and softer in shape.

In terms of interior, the interior of Extreme Yue 07 looks very simple and sporty as a whole. The steering wheel of the car is very fashionable and atmospheric, equipped with electric up and down+front and rear adjustment, steering wheel memory, steering wheel heating and other functions, and the visual effect is good. From the central control point of view, the car is decorated with a lovely touch-sensitive LCD central control screen, which makes the interior design quite layered and conforms to the mainstream aesthetics. The dashboard and seats give people a good feeling, too. Let’s take a look. The car is equipped with a young and fashionable dashboard, and the display effect is excellent. The car uses a genuine leather/imitation leather mixed seat, which is wide and thick, with good support and comfort.

Extreme Yue 07 matched gearbox, 530KW, 653N.m, with good power performance.

The car is equipped with car networking, driving mode selection, Bluetooth key, NFC/RFID key, interior atmosphere light, traction control (ASR/TCS, etc.) and other configurations, which are rich in functions and greatly enhance its convenience.

The moderate size of the car is a very suitable choice for many families, and the internal space is enough for daily use in families. If you are planning to buy a car, then the car above is worth considering.

　　[car home Engine Technology] Under the tide of turbine direct injection, various car companies have come up with their "good tricks" to deal with this trend. So under this tide, which displacement has become a treasure for major car companies to seize? Non-2.0T group. In order to make the engine have a lower displacement, at the same time, it can have the same power as a six-cylinder engine, and it also has a better performance in economy. The 2.0T four-cylinder supercharged engine can be said to have the advantage.

　　Since it is a battleground for military strategists, there must be a variety of engine products for our consumers to choose from in this displacement group, and you must have seen them dazzling. By the end of the year, let’s take stock of those mainstream 2.0T supercharged engines together, so that you can have a clear understanding and comparison of them.

　　Note: This year-end inventory, please see the officials don’t cause bad influence in the comment area, each engine has its own advantages and disadvantages, please look at it rationally, thank you for your understanding.

● Why do major manufacturers choose the displacement of 2.0T?

　　To understand this kind of engine, we must first know why many manufacturers love 2.0T: on the one hand, its displacement is not too small, the cylinder diameter and stroke of each cylinder are relatively balanced, and the ride comfort performance is acceptable; On the other hand, after the 2.0L engine is equipped with a supercharger, its power is comparable to that of some six-cylinder engines with larger displacement, and even many manufacturers regard the 2.0T four-cylinder supercharged engine as a "substitute product" of their old six-cylinder naturally aspirated engine. Most importantly, under the condition of ensuring sufficient power, generally speaking, a 2.0T four-cylinder engine is more economical and fuel-efficient than a V6 engine with larger displacement, and it also has some advantages in displacement tax.

　　Among the 2.0T engines, in order to differentiate their power output levels, many brands have matched 2.0T engines with roughly the same structure but different adjustments on different models. On the one hand, it can be seen that the 2.0T engine benefits from the advantage of moderate displacement, which has the characteristics of wide power coverage and adaptability to many models. So how do these different versions of 2.0T do it?

　　Some engines can be realized simply by ECU, but most engines have different degrees of enhanced design for many engine components except the multi-power version of ECU. So why do you say this here? Friends who brush ECU, you must think carefully, and if you can, you’d better do some engine strengthening work (don’t ask me how I know! Who is young and has never made a mistake! ）。

　　Below, according to different brands, we will divide them into two groups of 2.0T products for spicy evaluation. There will be a certain degree of spit in front of high energy, so don’t be too serious.

● Overseas brand group: the technology is basically formed and the power coverage is wide.

1. The controversial pioneer: Volkswagen EA888 2.0T

　　Old friend EA888 must be familiar to everyone. I remember that around 2006, the first batch of fifth-generation GTI imported into China adopted the combination of 2.0TSI+6-speed DSG, which was the first time I came into contact with Volkswagen’s "legendary powertrain" in China. As for how magical this thing was at that time, a set of data is enough to explain everything: the power is 100Ps, and the acceleration of 100 kilometers can reach 6.9s with the dual-clutch gearbox. The appearance price of "hatchback sagitar" is about 400,000. Ten years ago, it was absolutely "no friends" to sell it to China at this level.

　　I don’t know if the data is amazing to other manufacturers. After the increase of direct injection from Volkswagen EA113, many manufacturers gradually began to compete to develop direct injection supercharged engines. On the other hand, now, direct injection supercharged engines are popular, stealing the limelight of many self-priming engines, coupled with increasingly severe emission regulations and tax policies, and now cars are embarrassed to say hello to others without supercharging.

　　Indeed, people are afraid that famous pigs are afraid of being fat. While EA888 attracts people’s attention, the problem of burning engine oil also gives many car owners a headache. The specific reason can be seen in the EA888 disassembly article we wrote before: EA888 disassembly. This engine is not hacked here. As far as things are concerned, the probability of burning engine oil is really high, but the third generation EA888 has made improvements on the oil pipeline and oil-gas separator, and the actual effect has indeed improved. Another problem is that this engine inherits the "grandfather-class" cylinder block of EA113 and adopts cast iron. Although it has certain advantages in strength, it is too old. The cylinder block sinks and radiates heat, and it is not a problem for the current cast aluminum alloy technology to achieve high strength.

2. Built an engine like a playmate: BMW B48 2.0T

　　Another engine that is now on fire should be the BMW B-series engine. Different from EA888 years’ production, BMW B-series engine is a "young man". This engine was born to gradually replace the N-series engine that has been manufactured for many years. If you know BMW, you should be very clear that the B-series and N-series engines are definitely completely redesigned.

　　Yes, unlike N-series engines, B-series engines adopt a modular design concept. No matter how many cylinders and displacement, the parts between engines are still very replaceable. This is because at the beginning of the design, engines with different displacements used single cylinder size data with uniform specifications (cylinder diameter: 82mm, stroke: 94.6mm, ideal displacement of single cylinder: 0.5L), and changing the displacement is nothing more than the process of cylinder increase and cylinder decrease (special case: B38A-12A engine), and in the process of engine development, many structures matched with engines with different displacements can achieve unified design. In this way, engines with different displacement cylinders are just like "Lego", which is much easier to realize in design.

　　This engine can be said to incorporate many popular advanced engine technologies: water-cooled intake, integrated exhaust of cylinder head, cylinder liner design, etc., and retain the direct injection technology, valve timing and lift adjustment. Although there is not much improvement in parameters compared with N20, the power output level covered by the original factory is still very wide due to the strengthened water cooling system. (Want to know more about B48? Poke the link: B48 engine analysis)

　　So this engine must be perfect? In fact, there is still room for improvement. For example, at present, an electronically controlled mechanical water pump is used, and in the future, an independent electronic water pump can be considered to replace it. In addition, due to its high degree of integrated design, this engine may not be as convenient as N20 for friends who want to modify it later.

3. Germany and Japan share: 2.0t Mercedes-Benz M274/M270 (called 274930/274A) 2.0T Nissan).

　　Volkswagen BMW has its own 2.0T, and German car pioneer Mercedes-Benz will definitely not fall behind. Under the tide of direct turbine injection, Mercedes-Benz also entered the 2.0T turbine era in 2011: two engines codenamed M274 (vertical) /M270 (horizontal) were put into production cars to replace the four-cylinder supercharged engine before Mercedes-Benz.

　　Like many brands, Mercedes-Benz, which has tasted the sweetness, even wants this engine to try to replace the original low-power six-cylinder naturally aspirated engine, but there is a problem here: Mercedes-Benz, as a luxury brand that Germans are proud of, will make people think that Mercedes-Benz "does not pursue texture" in the practice of "reducing cylinders". And the truth? While affirming the advantages of this engine in technical level and power output, the sound of this engine is really not very good.

　　In fact, this kind of "transnational cooperation" is not the first time. Nowadays, many brands have realized the exchange of needed goods, and the future trend must be to create a "global car" that the whole planet likes. If you experience many German and Japanese brand new cars yourself, you will find that the driving quality between them is very similar to that before, and the concept of "a certain car" will become more and more faded, so it is only good to share good things. Although this engine has not been produced for a long time, this M274/M270 is nearing replacement, and the new Mercedes-Benz four-cylinder turbine engine is being developed and tested. As for the new machine, we will wait and see. (Want to know more about M274/M270? Poke the link: M274 engine analysis)

4. Regain the four-cylinder water alignment: Porsche horizontally aligns 2.0T

　　Yes, there is one engine that has caused great controversy in the matter of "cylinder reduction", that is, Porsche horizontally opposed four-cylinder 2.0T turbocharged engine. "What? Porsche gave up the horizontally opposed six cylinders and switched to a four-cylinder turbine? What is the difference between that and Subaru? " Don’t rush to deny this engine, at least it’s not against tradition.

　　Since it does not violate tradition, what are the advantages of this engine? Please, this is a product of the new era. Porsche will not be stupid enough to give up a successful project before and invest in a failed project. Let’s start with the improvement brought by this engine: Compared with the Boxster/Cayman equipped with a 2.7L horizontally opposed six-cylinder engine, this 2.0T engine is faster in speed, more economical and fuel-efficient and lighter in weight. While retaining the proper handling of Porsche, it also makes this car "more people-friendly": the official quotation and the purchase tax of displacement tax are lower, which makes it easier for you to realize the dream of Porsche sports car (although I still can’t afford it).

　　In a sense, the replacement of this engine is successful, at least it can make more people feel the charm of Porsche sports cars with less money. Of course, in the end, we still have to vomit a little shortcoming of this seemingly perfect engine: the sound is not as rich and charming as before. I’m not alone, but many people think so. Like Mercedes-Benz 2.0T, it lacks a sense of sophistication.

5. Materialist: Toyota 8AR-FTS2.0t.

　　To say that the most famous brand in the world is Toyota. Practical, easy to open, worry-free and cheap is the reputation that Toyota has laid for many years. Lean production and practical design have carried out the whole Toyota brand, and of course, the same is true for engines. It is not only necessary to integrate the current advanced technology, but also reliable and durable, and it is also very cheap to maintain.

　　Mixed injection, Otto-Atkinson cycle switching, dual VVT and integrated exhaust hood, etc., all make it face a lot of 2.0T engines that claim to be technologically advanced. Indeed, if you have studied this engine carefully, you will find that this engine combines almost all the advanced gasoline engine technologies that are popular at present. From the aspects of fuel efficiency and emissions, this engine has good strength, and it seems that the image of "Toyota’s power is only enough" has been changed.

　　So why did Toyota go to so much trouble to make this 2.0T engine have so many engine technologies? In fact, it is not difficult to understand that Toyota has never rejected new technologies. On the contrary, it hopes that new technologies can make up for the inherent shortcomings of some turbine engines. It is the original intention of this engine to apply appropriate technologies under suitable engine conditions. In fact, Toyota has also done it. Of course, in theory, with so many technologies integrated, it is indeed difficult to ensure reliability. You know that Toyota is a brand famous for its reliability. What kind of results will this slightly radical approach bring? In addition, according to feedback from some Toyota 2.0T owners, this engine is burning engine oil (there are two examples around, but there are also some cases that may occur, so we are still paying attention and actively communicating with engineers). (To learn more about this engine, poke the link: Lexus 2.0T)

6. TYPE R’s Earth Dream: Honda Earth Dream K20C2.0t.

　　Speaking of Honda’s big moves in recent years, it belongs to the "EARTH DREAM" engine: the Honda Earth Dream series was born. Indeed, Honda, which has rarely had turbine engines, has finally made some changes: turbocharging and our technology are combined to create an "earth dream" and let new turbine engines spread to their global cars.

　　In fact, Honda is not without turbocharged technology. A few years ago, Honda tried to equip the previous generation Acura RDX with a turbocharged engine, and then there was no following. The return of turbocharging can be seen as Honda’s return to the test water turbocharging technology again through the turbine trend. And what is the result of this regression? Comparing the K20C3 of Crown Road with the 8AR-FTS 2.0T of Highlander, the output of this engine is very bright, and the actual output performance is equally good.

　　Indeed, Honda has produced a powerful engine this time, but if you carefully observe what I said, it is not difficult to find one point: only the exhaust end of the car has the valve lift adjustment function in VTEC. It must be a measure to ensure that the cylinder pressure is not too large and balance the cost. After all, the turbine and direct injection are blessed, and the cylinder pressure is different from before. (For more information about this engine, please poke the link: Honda 2.0T engine disassembly)

7. Variable compression ratio: British finidi VC-T 2.0T

　　After two days, Nissan seems to be unable to sit still and take out some high-tech 2.0T engines. Under the protection of Mercedes-Benz M274/M270 for several years, Nissan recently took out their "black technology": a 2.0T engine with variable compression ratio, and called it VC-T, and the first batch will be carried in the brand-new British and finidi QX50.

　　While retaining some popular technologies such as mixed injection and timing adjustment, how does this engine complete the compression ratio adjustment function? In fact, it’s not complicated. Since we dare not change the connecting rod structure of the crankshaft easily, we should find ways to make the crankshaft realize plane displacement and ensure that the piston moves at the same time.

　　To tell the truth, this move is quite crazy. After the in-cylinder explosion does work, the piston directly transmits the converted kinetic energy to the piston connecting rod, and the connecting rod is directly connected with the crankshaft. To put it bluntly, the three parts are parts that bear great impulse and kinetic energy. Each individual part is generally cast, and even some engines have to go through a further forging process to ensure the strength of these three parts. The newly added eccentric wheel structure also has to bear considerable strength, and the strength of this mechanism will be the key to be considered in the future durability. (For more information about this engine, click the link: British finidi VC-T)

8. Americans feel good: Subaru FA20F is horizontally opposed to 2.0T

　　Speaking of Subaru’s 2.0T horizontally opposed engine, maybe you, like me, first think of the legendary engine installed in the old STi-EJ20 (want to see the contents of EJ series engines? Poke the link: EJ20 series of classic engines). It is true that in the process of "pinching" with the old EVO equipped with 4G63T, the EJ20 series of Subaru’s strongest horizontally opposed 2.0T engine contributed greatly, and it has a very impressive performance in terms of strength and power output. Today, however, instead of talking about classics, we will go to see a new era product of Subaru: FA20F engine.

　　This brand-new horizontally opposed four-cylinder turbocharged 2.0T engine can be said to be completely different from the previous EJ20: firstly, the cylinder stroke, the double 86mm design of FA20F, which can give consideration to power emission and economy, and balance the power output at middle and low speeds to a certain extent, which is quite different from the previous EJ20 with high speed orientation. In addition, the aluminum alloy cylinder head also makes it lose a lot of weight, and with the support of Toyota D-4S mixed injection technology, this engine shows a kind of simplicity.

　　As for the shortcomings, it may be the same eccentric wear problem as Porsche horizontally opposed engine. This is horizontally opposed engine’s congenital structural defect. The piston will be seriously worn on the lower part of the cylinder wall under the influence of gravity, which will lead to a series of problems such as burning engine oil, which can only be strengthened as far as possible and cannot be completely cured. However, these problems will take a long time to appear, and it is most important to eat, drink and be merry.

9, when old and strong: general Ecotec LDK 2.0T

　　GM LDK 2.0T engine can be regarded as one of GM’s counter-offensive horns against European 2.0T engines. Needless to say, in-cylinder direct injection combined with turbocharging technology, it is impossible for European 2.0T players to feel the pressure from the United States without some hard power.

　　The LDK 2.0T we are going to talk about today is actually the second generation product. GM’s measures to deal with the future are actually similar to those of other brands. The engine product series named Ecotec covers many displacements. In addition to the popular direct injection turbine technology, this LDK 2.0T engine also has a double scroll design and a double counter-rotating balance shaft, and low friction resistance optimization is adopted for some in-cylinder structures, so that it has a good balance performance in power performance and fuel consumption.

　　So the disadvantage of this engine may be that it is a little tired. When other people’s engines are constantly improving, this 2.0T engine doesn’t seem to have much optimization. Today’s car engines can give you a new gadget from time to time, and this LDK seems to have room for technical improvement compared with its competitors. But don’t forget, GM also has a 2.0T equipped on Cadillac. (To know about Cadillac 2.0T engine, poke the link: general LTG engine)

10. Challenging Volkswagen: Ford EcoBoost 2.0T

　　If EA888 is the beginning of the 2.0T war, then Ford’s EcoBoost is definitely a player determined to chop it down. Once launched, the high-power calibration added a lot of color to it (of course, there is a story here, which we will talk about later), and the sum of many technologies featured by EcoBoost really confirmed the strength of this engine.

　　Direct injection+turbine technology is inevitable, dual VVT timing adjustment and low inertia turbine are reasonable, and support lean combustion. Aluminum alloy cylinder head and balance shaft also add a lot of color to this engine. With dual clutch gearbox, this powertrain has a kind of Volkswagen "TSI+DSG" tonality. It seems that Ford is developing this set of things in a targeted way, and EcoBoost can also support hybrid power systems. Today, the latest EcoBoost 2.0T is actually the second generation product, which adds a double scroll design. For more advanced engine technology, they said that they will gradually try to apply it to the EcoBoost engine.

　　As for what kind of problems exist in this engine, it may be because Americans want to steal the limelight too much. The first generation of EcoBoost 2.0T engine has a virtual horsepower standard. Someone once pulled it to the power machine for testing. I wonder if it is the transmission efficiency. It is found that its actual output parameters are far from the calibration, which really makes many people disappointed. Of course, this is not to deny this engine. After loading, its actual dynamic performance has gained a lot of praise.

11. Squeeze to the limit: Volvo Turbo+Mechanical Supercharge 2.0T

　　If you want to find a mass-produced 2.0T engine with the most abnormal power output at present, Volvo must stand up and speak. In 2013, Volvo released its new DRIVE-E powertrain, among which a 2.0T turbo+supercharged engine attracted much attention. Up to now, in Volvo’s product line, this engine is definitely the master of the brand Hua Dan, and even a big guy like XC90 has entered the 2.0T era because of its birth.

　　A little different from many 2.0T engines, Volvo seems to want this engine to be squeezed to the limit. In addition to turbocharging and supercharge, the effect of this measure is bound to be beautiful: this engine can actually accelerate the 100 kilometers of XC90 with a self-weight of more than 2 tons to 7.26s! It seems that you don’t have to worry about the problem of small horse-drawn carts. Volvo has given a satisfactory answer.

　　As for whether there is anything unsatisfactory about this engine, according to some car owners around me, it may be because of excessive squeezing and high cylinder pressure, and this engine has the problem of burning oil. In addition, spit out Volvo’s engine product line. When is Lao Zhiliu going to use it to change it? (Want to know more about this engine? Poke the link: Volvo 2.0T)

12. No longer relying on others: Jaguar Land Rover Ingenium 2.0T

　　Since Land Rover evoque, Jaguar Land Rover has entered the 2.0T era. However, at the beginning, due to the influence of Ford technology, the 2.0T previously mounted on Jaguar Land Rover models used Ford’s first-generation EcoBoost 2.0T engine. Now that we have bid farewell to the Ford era, the second-generation EcoBoost 2.0T is no longer used by this "married prostitute", which gives Jaguar Land Rover the idea of developing a new series of engines-Ingenium series engines were born with the support of Tata in India.

　　The development focus of this engine is to ensure the power and reduce the energy loss as much as possible. In addition to the mainstream technologies mentioned many times before, the engine adopts the design of electronically controlled flow regulation in oil pump and water pump, and the newly designed balanced shaft ball bearing can also reduce energy consumption. The eccentric crankshaft is also designed to reduce energy consumption as much as possible and make the engine run smoothly and efficiently.

　　Having said so many advantages, we return to a serious topic: quality. I believe that many Jaguar Land Rover owners are worried about the quality control of this car. This new engine has brought a lot of advanced technologies, and the guarantee of reliability will face more severe challenges. So whether it can be done well depends on Jaguar Land Rover’s performance in the future. (Want to know about this engine? Poke the link: Jaguar Land Rover new engine)

13, unwilling to lag behind: Hyundai Theta II improved 2.0T

　　Having said so many 2.0T engines, what are Koreans doing? The general trend is that Koreans who are unwilling to lag behind will naturally develop their own 2.0T engines. Although it doesn’t have such a big limelight as the previous products, it seems that the 2.0T engine developed in modern times is also quite interesting.

　　Theta II improved 2.0T engine is an upgraded product, not a new development. It is based on part of the structural foundation of the old engine, by adding turbocharging and direct injection systems, and making some optimization and improvement designs. Don’t rush to deny this engine yet, because its technology also has some interesting points.

　　In a sense, this engine does have some bright spots, but it is undeniable that this is not a brand-new product. What is the potential of this evolved product to continue technological development in the future? It may all be the problems facing modern times at this stage. (Want to know about this engine? Poke the link: Hyundai 2.0T)

Editor’s summary:

　　Talking and laughing, we took stock of mainstream 2.0T engine products of many overseas brands. Although we may not talk deeply in many aspects, we can always see some trends: the future of 2.0T gold displacement direct injection supercharged engine is great, and various car companies are scrambling to add fresh technology to its 2.0T engine. What is the potential of 2.0T? Not only you and I want to know, but also car companies want to give it a try. In the next issue, we will take stock of some China-branded 2.0T engines. If you have any questions, please come to my editorial blog for further communication. (Text/Figure car home Shu Ning)

　　[car home Engine Technology] In the last issue, we talked about many mainstream overseas brands of 2.0T engines, but in the next issue, let’s stop worshipping foreign things and show you our own 2.0T engines. From my personal feelings alone, like everyone else, I hope that domestic engines can be equally divided with those "foreign powers" and even "abuse them to the north", but what is the truth? Come with me next.

Note: Again, this year-end inventory, please see the officials don’t cause bad influence in the comment area, each engine has its own advantages and disadvantages, please treat it rationally, thank you for your understanding.

● China Group: Some engines are not lost to imported products, and the prospects are bright.

1. Known as the best domestic 2.0T: SAIC 2.0T (Roewe RX5/ MG Ruiteng)

　　In 2014, the "Blue Core" engine series led by SAIC, with Pan Asia in charge of the main R&D and testing, and combined with some general engine technologies, will be gradually put into the brand models of SAIC. Among them, an engine code-named MGE 2.0T was assembled into the recently hot Roewe RX5 model and became the "core good friend" of this car.

　　Indeed, this engine series draws on some technical concepts of general Ecotec, but it is only at the conceptual level. It is completed by Chinese engineers from design and manufacture, technical realization to later development and debugging. That is to say, this 2.0T direct injection system, adjustable intake and exhaust timing, and integrated design of double scroll turbine and valve cover and camshaft cover are all designed and manufactured after considering the current technological level, engine durability and manufacturing cost. It is also known that this engine will be built in the future. Want to know more about this engine? Poke the link: analysis of SAIC 2.0T engine)

　　From a technical point of view, this engine can be regarded as a domestic benchmark, but compared with many overseas most advanced 2.0T engines, there is still room for upgrading in many details design and optimization. As for the fuel consumption, according to the feedback from the forum owners and our long-distance test vehicles, the fuel consumption of this engine (mainly referring to Roewe RX5 and MG Ruiteng) ranges from 10L to 14L, and the more reliable data is 12L, which can only be said that the performance is average, and the combustion efficiency can be optimized in the future. According to reliable sources, this engine will soon replace 4G63S4T used by Zotye and become the main 2.0T engine of some new models of Zotye in the future.

2. Slow and steady play: GAC 2.0T(GS8/GA8)

　　Although they are all "Southern School’s Concept of Building Cars" with relatively technical flow, GAC’s understanding of 2.0T is quite different from that of SAIC: at present, there is no gasoline direct injection system added to GAC’s 2.0T engine. GAC knows very well what they are doing: since I am not fully confident to do a good job in direct injection technology at this stage, I will do an EFI turbine engine in a down-to-earth manner, and optimize fuel consumption as much as possible, with durable leather and enough power.

　　For GAC, the significance of this engine is more to let people recognize the quality of this engine, which is simple enough to be used and repaired, and it is not blindly added in technology. In fact, this turbocharged engine code 4B20M1 2.0T used in Guangzhou Automobile GS8 is not the latest product. It has been assembled on the previous Guangzhou Automobile GA8 for some time and belongs to the second generation of 4B20 engine, which mainly optimizes the valve timing mechanism and engine durability.

　　From the measured results, it is shown that this engine also has a very mild feeling in terms of power output, and the power is sufficient. In addition, because the car model is too new, the actual comprehensive fuel consumption is hard to say for the time being. Finally, I have to spit out that a mature and stable engine, technical conservatism is a measure to ensure reliability, but at this stage it is too low, plus the iron cylinder block. I hope this "mature technology to ensure reliability" is not an excuse for this engine. I also hope that some new technologies popular at present can be put into mass production as soon as possible. After all, technology is improving and many advanced engine technologies are mature enough.

3. The confidence of the national generation: FAW 2.0T (Hongqi H7/ Pentium B90)

　　Speaking of FAW, some words always pop up in our minds from time to time: No.1 Automobile, the earliest automobile enterprise in China. It is true that as a pioneer of domestic cars, not only the motherland has high hopes, but also it carries the dream of making cars of more than one billion people in China. From this point of view, then FAW should set an example in terms of engine accomplishments. Although it is not as advanced as some brands of engines at this stage, this 2.0T engine has indeed achieved the exemplary role of pioneers.

　　Putting aside feelings and returning to the topic, what about this 2.0T engine of Hongqi? The official doesn’t seem to want to disclose too many details about this engine. As far as the information at hand at this stage is concerned, this engine, which was born a few years ago, has reached the level of GAC 2.0T and has been optimized in some details, which is commendable. Like GAC, as an early 2.0T engine product in China, this engine also adopts a relatively conservative technical strategy, which is EFI+iron cylinder block, with adjustable intake and exhaust timing and turbine support, and its power output is relatively soft, which is in line with its positioning on H7. (To learn more about this engine, click the link: Hongqi 2.0T engine)

　　Again, maturity doesn’t mean making excuses for not adding new technology. Cast iron cylinder+EFI is indeed Old Fashioned. Although the official has a prototype of the 2.0T engine blessed by direct injection technology, there is no accurate news about when it will be mass-produced. We should know that many brands of 2.0T engines have entered the second generation era, so it is really time to speed up the research and development of new technologies.

4. Saab technical support: BAIC 2.0T(BJ40/ Saab X65)

　　Speaking of BAIC’s 2.0T engine, there may be an expert friend who will talk about a question: Should BAIC have more than one 2.0T engine? In fact, regarding this conclusion, I also consulted many related engineers and insiders, and got a consensus that there is only one 2.0T engine from the perspective of BAIC brand.

　　Returning to the technology itself, this 2.0T engine (code B201R) used in many Beiqi models is not without a blueprint. If you know where the brand Sic Bo comes from, then you can boldly guess the source of this engine. Yes, a few years ago, Saab from northern Europe filed for bankruptcy protection, and BAIC invested in some technologies in Saab’s hands, including platforms and engines. Then the engine we are going to talk about today is not so much completely independent intellectual property rights as an optimized design based on Saab 2.0T engine. (If you want to know about the turbocharged engine of BAIC Saab technology, poke the old article link: BAIC turbine engine)

　　Since it is a good foundation, is this thing perfect? I don’t think so First of all, it is a big problem whether good things can be adjusted well without rich experience. Besides, this engine was absolutely second to none ten years ago, but now, who doesn’t have a turbocharged engine? Although BAIC has plans to add direct injection technology to it, at present, this engine seems to lack technical highlights except for the double-balanced shaft structure. On the other hand, GM has developed the Ecotec 2.0T engine with Saab technology, and BAIC has to make more efforts.

5. Get rid of Mitsubishi: Great Wall 2.0T(H6 Coupe/H7/H9)

　　Apart from Wuling Hongguang, which car dominates the famous autumn mountain, which other car can dominate in China and hang the same class? Perhaps the title reveals what I want to say. It is no accident that Haval H6 sells well. Even the success of Great Wall Motor is largely due to their "ability to make cars better". I will give you everything you want and I will give you what you expect. Of course, the price is still very cheap. Can it not sell well?

　　Like many car companies at that time, the early Great Wall Motor developed many products relying on Mitsubishi 4G63 engine. Today, Great Wall has its own R&D team, and this self-developed 2.0T engine (code-named GW4C20) has been assembled into many models. Of course, many people will have questions: Is this engine inextricably linked with 4G63? From the results of our existing data, there is no commonality between them (especially in terms of cylinder diameter, stroke and camshaft layout). Even from the perspective of research and development, this engine is much more advanced than 4G63, and even uses integrated design concept and double scroll turbine. (and understand the Great Wall direct injection engine? Poke the old article link: Great Wall Turbine Direct Injection Engine)

　　When it comes to the shortcomings of this engine, it must be that although it has reached the mainstream advanced level, there is still room for improvement in technology, such as how to better optimize combustion efficiency, and the engine technology is so advanced. When can the cast iron cylinder block that is not in line with the times be replaced? Have confidence in your own manufacturing process.

6. The heart of the fastest domestic car: BYD 2.0T (Tang/Song /S7)

　　To say BYD, this brand is definitely one of the China brands that have been pursuing advanced technology for a long time in China. Let’s not talk about the actual performance of the engine, at least we have the confidence to build an advanced domestic direct injection turbine engine, which deserves our praise.

　　Let’s start with our protagonist: the 2.0T direct injection engine code-named BYD487ZQA. This engine basically covers many mainstream engine technologies, such as variable timing adjustment of intake and exhaust, gasoline direct injection technology, single balance shaft and water-cooled turbocharging. It can still be seen that BYD’s level in engine can not be underestimated. The aluminum cylinder block also affirmed its own cylinder block manufacturing process from a certain angle, and BYD engineers said that they still have many directions to develop in the future to make this engine more advanced. (To know about this engine, poke the link: BYD 2.0T engine and wet dual clutch gearbox)

　　I am not a data party, so I don’t comment too much on parameters. So does this engine, which looks like many technologies, have its disadvantages? First of all, from the structural point of view, this engine seems to learn from the structures of Volkswagen EA888 and Volkswagen EA211, but there is still room for improvement in the matching and adjustment of the whole powertrain and gearbox. And from my personal experience, the working noise of the gasoline pump of this engine is indeed a little loud, and even the tonality of some diesel vehicles affects the texture. So is this slightly radical technical solution good or bad? If stability goes up, then advanced technology strategy is certainly a good thing.

7. Rising Star: Changan 2.0T(CS95)

　　Although in the current mass production products, Changan does not have a model equipped with a 2.0T engine, but just a few months later, changan CS95, which has undergone many design improvements, will be on the market, and this car will be equipped with a 2.0T engine of Changan Blue Core series. So what is the technical performance of this new engine?

　　Changan officially declared that this engine belongs to the product of 100% forward development, with good confidence, but we can’t draw a conclusion until we see the structure. In terms of technology, this engine has intake and exhaust timing adjustment, direct injection+turbine, all-aluminum cylinder block, integrated exhaust design, double balance shaft design and thermal management optimization system, and may also support mixed injection (EFI+direct injection) in the future, which seems to be advanced enough.

　　It looks beautiful, but what’s the problem? Still, as mentioned before, although it belongs to the domestic advanced level of 2.0T in terms of technology, I hope this is not the product of stacking technology. Adjustment has always been a shortcoming of many Chinese car companies. In addition, new technology means "new failure" in some aspects. How to make it run efficiently and stably and ensure the production process to meet the design and calibration requirements is a big problem that Changan will face in the future.

8. There are already optimized versions: JAC 2.0T (Ruifeng S5/M5).

　　Different from other brands’ aggressive promotion of their own 2.0T engines, Jianghuai seems to have been quietly equipping its Ruifeng S5 model with 2.0T engines (code-named HFC 4G3-1D), and has quietly optimized and adjusted it (code-named HFC 4G3-4D) and assembled it on MPV models like the new Ruifeng M5.

　　The original design intention of this engine is the same as that of some "conservatives". In order to reduce the cost of engine development and later maintenance, a conservative design and adjustment scheme was adopted. Except for variable timing adjustment of intake and exhaust and integrated design of exhaust manifold, other aspects showed a very common style. Jianghuai thinks that a 2.0T engine, instead of pursuing virtual high power output, should be down-to-earth and start with the most basic engine work-that is, how to make this engine run stably. (To know about this engine, poke the link: Jianghuai 2.0T engine)

　　In fact, these domestic brands with engine technology are nothing more than two ideas: either to be a mature and stable 2.0T engine with little technical content, or to be a 2.0T engine with advanced technology and high power output. Again, there are advantages and disadvantages between them. As for which is good or bad, it depends on your personal needs. Of course, from the perspective of technological progress, many such "conservative" 2.0T engines still need to work hard.

9. Baodao specialty: Dongfeng Yulong Nazhijie (excellent 6/ 7 MPV)

　　As an inseparable part of China, there is actually a 2.0T engine in Baodao Taiwan Province. Since Yulong Automobile and Dongfeng Motor jointly produced Nazhijie brand models, this seemingly special joint venture brand has spared no effort to provide us with their most advanced technology at present.

　　This 2.0T engine is equipped with Nazhijie ECO HYPER technology, that is, an electronic fuel-saving control system, which belongs to a collection of electronic controls and has the functions of starting and stopping the engine. Needless to say, the purpose is natural. In addition, this relatively new engine has finally been upgraded to variable timing adjustment of intake and exhaust, and the cast aluminum cylinder block is also used in the cylinder block material. The sincerity and technology are no less than many domestic 2.0T engines.

　　From these aspects alone, this engine seems not bad, but is it really that good? First of all, through feedback from some riders, we know that this engine is not very good in assembly reliability, and there are many minor faults. In addition, this engine is also conservative in parameter calibration, with a narrow torque output platform. In addition, it uses EFI instead of direct injection or mixed injection, so this engine seems to have many possibilities for improvement. Taiwan Province compatriots should also refuel.

10. China cousins who are not EVO: Southeast, Landwind, Zotye and Cheetah, etc. 2.0T

　　Yes, finally, we will talk about a semi-autonomous engine. Why do you say that? Because we are so familiar with this engine: our ancestors used the indestructible 4G63 and added a turbine. However, today’s protagonist is not the double overhead camshaft 4G63 used in the old EVO, but the Mitsubishi technology engine code-named 4G63S4T.

　　Don’t underestimate this engine. Although it is exhausted from a technical point of view, it does not affect its advantages of stable quality, simple and cheap maintenance, parts all over the country, repair with the deterioration, and reasonable power and fuel consumption. Even if I blow this engine dry, I won’t feel bad, because even if I buy a brand-new 4G63S4T, it is very cheap.

　　Then there is no need to say more about its shortcomings. There is almost no mainstream advanced engine technology. The single camshaft design seems to be the product of the last era, and the turbine lag is also serious. But again, who called it cheap and easy to repair? As a conservative power choice for many brands, it is still very suitable.

Editor’s summary:

　　After taking stock of overseas brands, we see that our own "China 2.0T" is also evolving step by step. Although for some brands, their engines still have some gaps with international standards, it is undeniable that the 2.0T era in China is coming quietly, and many brands have made it clear that they are developing their internationally advanced 2.0T engines. We are looking forward to having our own 2.0T engine that will make the world tremble, and I personally think that it is not far away, knowing that we in China are very diligent and the research and development speed is also very fast. (Text/Figure car home Shu Ning)

● Miscellaneous article: At the request of the readers, after taking stock of China engines, we will dig a little deeper for some 2.0T engines that are of high concern.

1. Mercedes M133 2.0T

　　In the previous article, I wrote about the relationship between Mercedes-Benz M133 and Mercedes-Benz M274. In fact, it is not difficult to understand that Mercedes-Benz will not redevelop an engine for an AMG model with a small output, but will design it based on the original framework. Then some people will ask, to what extent is this "based on the original framework"? According to AMG officials, apart from design dimensions (such as cylinder diameter and stroke) and some external parts (such as generators and starters), there are great differences in manufacturing technology and material selection of parts. And because the engine doesn’t pay much attention to the fuel-saving performance, they also canceled the valve lift adjustment on M274, in order to further reduce the internal resistance of the engine and realize the lightweight design. (Want to know M133? Poke the link: Mercedes-Benz 2.0T AMG engine)

2. Cadillac LTG 2.0T

　　The reason why this engine is concerned by the majority of netizens, I think it may also be because the output parameters are considerable. Indeed, this 2.0T code-named LTG has output parameters beyond the same level, but from its technical point of view, it does not actually show the "international advanced level". Let’s talk about the advantages first: this engine has been optimized in NVH, and the oil pump has realized the flow regulation function controlled by solenoid valve. The crankshaft adopts forging technology and adopts double scroll turbine design, which has many mainstream engine technologies such as intake and exhaust timing adjustment. (For more information about this engine, please poke the link: LTG engine disassembly)

3. Baowo 2.0T

　　In fact, we have been discussing whether this engine is domestic or overseas for a long time. Later, I played a clever trick and put it here. We photographed this engine at the auto show, and I can tell you bluntly here: this is a slightly modified EA888 engine. No matter from the technical or structural point of view, it shows a high degree of consistency with Volkswagen EA888, and also integrates some characteristics of EA211. (To know about Baowo engine, poke the link: Baowo 1.4T/2.0T engine)

Full text summary:

　　After talking about so many 2.0T engines, I believe you are as big as me. Indeed, this displacement has a wide adaptability, and after comprehensive consideration of the 2.0T engine, you will find that this engine is a power system that is extremely suitable for the future trend, and it has advantages that cannot be underestimated whether it is the balance of output power and emissions or the integration with hybrid power systems. Of course, China’s 2.0T engines are also improving step by step, and we are delighted to see that some China brands have their own 2.0T engines that are not lost to overseas brands. I believe that one day, our own China cars will be able to dominate the world’s automobiles and become a national pride industry. (Text/Figure car home Shu Ning)

　　CCTV News:Sailing in Tianhe, building a dream palace. In the past six years, the Tianzhou "family" has successfully launched six cargo spacecraft. While successfully completing the task of delivering express delivery to space, we continue to meet the faster and higher delivery requirements of China Space Station through technological breakthroughs. Let’s review the "highlight moments" when Tianzhou "family" successfully delivered "space express" in recent years.

　　Tianzhou-1: China Aerospace’s first cargo spacecraft.

　　On April 20, 2017, China’s first cargo spacecraft Tianzhou-1 was successfully launched at the Wenchang launch site in Hainan. During this space express delivery trip, Tianzhou-1 carried out propellant replenishment between aircrafts for the first time in orbit, Tiangong-2 successfully carried out the first propellant replenishment in orbit in China, and carried out several propellant replenishment tests. For the assembly, construction and long-term operation of China Space Station, clear the last obstacle on energy supply.

　　Tianzhou-2: Realizing all-weather autonomous rendezvous and docking

　　On May 29th, 2021, Tianzhou-2 cargo spacecraft was successfully launched. After technical upgrading, Tianzhou-2 has the capability of all-weather and autonomous rendezvous and docking for air and space emergency rapid response. Tianzhou-2 is the first spacecraft in the construction stage of the space station project, with an upward capacity of 6.9 tons of materials, carrying enough daily necessities for three astronauts to stay in the space station for three months, materials for conducting space science experiments, and propellant for replenishing the space station and core cabin.

　　Tianzhou No.3: Double the daily necessities, and the delivery time is shorter.

　　On September 20, 2021, with the successful launch of Tianzhou III, the Tianzhou family added a new "space courier brother". Compared with Tianzhou-2, the daily necessities carried by Tianzhou-3 spacecraft have doubled, which can meet the needs of three astronauts staying in the space station for six months. With the support of the high-tech means of "Beidou+Lidar+visual navigation sensor", Tianzhou-3 further shortened the rendezvous and docking time of cargo spacecraft and Tianhe core cabin from 8 hours to 6.5 hours, and further improved the delivery speed.

　　Tianzhou-4: the first cargo spacecraft in the construction stage of the space station

　　In the early morning of May 10, 2022, the Tianzhou-4 cargo spacecraft was launched, and the first launch mission of China’s space station was a complete success. Tianzhou-4 was loaded with consumables, practical (test) devices and other materials that three astronauts of Shenzhou-14 stayed in orbit for six months. Among them, there were 32 kinds of vegetables and foods. In addition, new types such as holiday food, reward food and blind box food have been added. Opening the blind box may mean a surprise, which is also a way to adjust the psychological state for astronauts who have been in orbit for a long time.

　　Tianzhou No.5: "Space Express" will arrive in two hours!

　　On November 12, 2022, the successful launch of Tianzhou-5 set a world record. The two-hour autonomous rapid rendezvous and docking of the cargo spacecraft and the space station assembly can greatly improve China’s space emergency rescue capability, greatly shorten the transportation time, and make it possible to transport special fresh experiments. If this technology is applied to the Shenzhou manned spacecraft, it will greatly reduce the flight time of astronauts to the space station. It is of great practical significance for the long-term on-orbit operation of China’s space station.

　　Tianzhou-6: At present, the spacecraft with the strongest cargo capacity in the world.

　　On May 10th, Tianzhou-6 was launched. Tianzhou-6 is a new batch of cargo spacecraft, and the developers have improved its internal structure, which makes the cargo capacity of Tianzhou-6 cargo spacecraft increase from 6.9 tons in the past to 7.4 tons. After the propulsion module was changed from the original 8-tank configuration to the 4-tank configuration, the volume of the cargo module was further expanded, and the effective loading volume of the cargo module of Tianzhou-6 was increased from 18.1 cubic meters to 22.5 cubic meters.

　　The launch mission of Tianzhou-6 cargo spacecraft was a complete success.

　　At 21: 22 on May 10th, Beijing time, the Long March 7 Tele-7 carrier rocket carrying the Tianzhou-6 cargo spacecraft was successfully ignited and launched at the Wenchang Space Launch Site in China. This mission is the first time that China’s manned spaceflight project has entered the application and development stage of the space station.

　　About 10 minutes later, the Tianzhou-6 cargo spacecraft was successfully separated from the rocket and entered the scheduled orbit. After that, the solar panels of the spacecraft started working smoothly and the launch was a complete success.

　　Tian Yurong, Deputy Commander of the Long March 7 Launch Vehicle of the First Academy of Aerospace Science and Technology Group:In the preparation process before launching, all the actions are done in one go, and the final flight result is also very satisfactory. The accuracy of orbit entry is very high, that is, it is higher every time, creating new heights and accuracy. In this rocket, we have further improved the reliability of the rocket through the optimization of single machine and system products, from 0.985 to 0.987.

　　The Tianzhou-6 cargo spacecraft was loaded with consumables, propellants, applied experiments and test devices, etc., which were stored in orbit by six astronauts of Shenzhou 16 and Shenzhou 17. In order to improve the cargo transportation capacity, the Tianzhou-6 cargo spacecraft was optimized and improved in this mission, and the launch demand of the cargo spacecraft was optimized from twice a year to three times every two years, effectively reducing the transportation cost. In addition, the spacecraft is also equipped with Dalian University of Technology experimental satellites and other projects.

　　Wang Zengli, Chief Responsibility Officer of xichang satellite launch center Technology Department:This mission is the first mission in the application and development stage of the space station, and it is also the first mission of this new cargo ship, because there are still some changes between this cargo ship and the previous construction stage. In the follow-up mission, the cargo ship of this mission is basically the basic type. In the past 30 years, our country’s capabilities have been continuously improved, whether from space launch or space measurement and control, from near-earth to deep space.

　　Chen Jie, Director of Comprehensive Planning Bureau of China Manned Space Engineering Office:In the future, we will further reduce costs and enhance our capabilities. To this end, we will develop a new generation of reusable manned space transportation system. According to the new mission plan, the space station will operate for more than 10 years, with one or two cargo replenishment missions, two manned missions and the on-orbit rotation of astronauts every year. At the same time, we will also train international astronauts to participate in our joint flight.

Its grade represents its performance standard and quality grade, and it can reflect the key indexes such as fluidity, lubricity and cleanliness of engine oil at different temperatures. To judge the performance of engine oil, there are usually the following aspects:

Engine oil is generally divided into:, semi-synthetic oil,. The characteristics of these three oils are:

Mineral oil: low cost, although imported additives are added to mineral oil now, the service life is generally about half a year.

Semi-synthetic oil: It has good oxidation resistance, and it is a very good long-lasting engine oil, with a service life of about one year.

Synthetic oil: long service life, stable performance, but high price.

The "grade" of engine oil can be classified according to the standards of different international organizations and the attributes of engine oil.：

1. SAE (American Society of Automotive Engineers) classifies oil according to its viscosity value.

For example, SAE 5W-30, where W stands for winter, and the number before W stands for flow viscosity at low temperature. The smaller the value, the better the fluidity and the better the protection of the vehicle during cold start. The number after W represents the viscosity at 100 degrees, and the higher the number, the better the viscosity.

2，(）

According to the quality grade of engine oil, the higher the number, the higher the grade of engine oil.

A/B series: generally suitable for light-duty diesel engines.

C series: suitable for catalyst engines, C1-C4, and C3 or above are generally used for engines.

E series: heavy duty diesel engine.

3. API and ILSAC(& International Lubricating Oil Standards and Approval Committee) are classified according to the environmental protection grade of engine oil.

The series beginning with A and S represents gasoline engine oil, and the specifications are: API SA … Sn.

The series beginning with B and C represents diesel engine oil, with specifications of API CA……, CG-4, CH-4 and CI-4.

C, when S and C exist at the same time, it means that it is a universal type of gasoline and diesel.

D, the letters after S and C mean: from SA to SN. The farther back, the higher the environmental protection level. In-cylinder direct injection should be at least SN.

E, ILSAC adopts a higher engine oil quality grade evaluation standard, which requires further GF-5 specification evaluation of SN-grade engine oil passed by API. It is required to improve fuel economy, compatibility with exhaust system and prolong engine service life, so GF-5 standard is higher than SN.

Is the performance of engine oil good? How to judge?

It mainly depends on the recommendation of the vehicle manufacturer and the specific requirements of the engine. The following are some factors that are usually considered when choosing family car oil.

1. According to the user’s manual or maintenance guide of the vehicle, the engine oil type and annual grade suitable for this model are usually recommended, and it is most important to follow the manufacturer’s recommendation.

2. Different types of engines may require different types of engine oil. For example, high performance requires higher viscosity engine oil to provide better lubrication protection.

3, climatic conditions, according to the climatic conditions of your location, choose the appropriate viscosity, vehicles in cold areas need lower viscosity engine oil 0W-20, so as to be easy to start at low temperature and protect the engine. Vehicles in hot areas may need higher viscosity oils such as 10W-40 and 15W-50 to maintain lubricity at high temperatures.

4, environmental protection, some places with environmental protection requirements require the use of low-flow or low-phosphorus engine oil to reduce the environmental impact.

5, personal driving habits, often driving at high speed or heavy load, may need more advanced engine oil to provide additional protection.

6. With the increase of vehicle age, engine wear will increase. At this time, engine oil with higher viscosity or specific formula is needed to provide better protection.

Generally speaking, domestic users usually use 5W-30 or 10 or 10W-40 engine oil, but it is better to decide the appropriate engine oil according to the manufacturer’s recommendation and personal actual situation.

The above is my previous knowledge about engine oil.

———————————————–

The following are the precautions for oil change

1, be sure to buy genuine engine oil, machine filter.

2, it is not impossible to change yourself, the key is to save those wages and ignore them compared with their own safety. Except for those who like to do it.

3, don’t listen to those bloggers who make you, 20,000 kilometers of maintenance all right, according to the maintenance manual, it’s right, if they are so powerful, what do they need the factory’s auto engineers for?

4. Some fans asked whether the oil was put away or pumped well. Is it necessary to open another article on this?

5, the oil must be quantified, and it is not good to have more or less.

6, record the oil change mileage, in order to grasp the oil change time next time. Generally, there are some in the store, but some are lazy or forget, so you should remember to remind them.

　　In 1900, at the Paris World Exhibition Center, a prototype engine running smoothly attracted the audience. This is the "father of diesel engine" — — An experiment by Rudolf Diesel. To the surprise of the audience, the fuel used in this engine is peanut oil. This is the initial exploration of the application of biodiesel in the human world. Since then, for a long time, biodiesel can only exist as a "spare tire" for oil because of its high price.

　　It may be difficult for Rudolf Diesel to foresee that, more than 100 years later, in order to achieve the goal of decarbonization, the "flame" of biodiesel development has been ignited all over the world. Nowadays, this "fire" is becoming more and more popular in China.

　　On April 2nd, the National Energy Administration issued the Notice on Publicity of Biodiesel Popularization and Application Pilot, and proposed to support Dezhou City, Shandong Province and other units to carry out the application pilot. It is generally believed in the industry that this marks a "solid step" in the development of biodiesel in China, which will certainly provide a new impetus for the optimization and upgrading of China’s energy structure (300152).

　　Response to the pilot construction in peak carbon dioxide emissions

　　The pilot project of biodiesel popularization and application is generally regarded as an echo of the pilot construction in peak carbon dioxide emissions, China.

　　An industry insider said that the National peak carbon dioxide emissions Pilot Construction Plan included the energy green and low-carbon transformation index, the consumption ratio of non-fossil energy and the recycling rate of renewable resources into the construction reference index. Biodiesel is an internationally recognized green and clean fuel, and the biodiesel currently used in China is a renewable energy mainly produced from biomass such as waste oil. Carrying out relevant pilot projects is conducive to promoting waste recycling, accelerating energy green and low-carbon transformation, and helping to achieve "double carbon".

　　"Compared with traditional petrochemical diesel oil, biodiesel with waste oils from catering and food processing industries can reduce greenhouse gas emissions by about 80%. Promoting and using biodiesel is of great practical significance for increasing the proportion of renewable energy in transportation fuels, reducing greenhouse gas emissions from diesel vehicles, and promoting carbon emission peaking and carbon neutrality. " Li Dingjie, a senior engineer of the Energy Department of the Industrial Development Department of China Petroleum and Chemical Industry Federation, told the reporter of China Chemical Industry News.

　　In Ji Xing’s view, the promotion of biodiesel is an important way to help the petrochemical industry achieve "double carbon". Especially for traditional petrochemical diesel, adding biodiesel is an effective way to reduce carbon. "Once petrochemical products, especially fuel oil, are manufactured, it is difficult to save energy and reduce carbon by changing the hydrocarbon ratio. To achieve green development, we must change the product structure. Therefore, China promotes ethanol gasoline in the gasoline field and biodiesel in the diesel field to reduce a considerable amount of carbon dioxide. If nearly 200 million tons of petrochemical diesel consumed in China can be converted into B5 diesel by blending biodiesel, the indicators of energy saving and carbon reduction in the diesel field can be almost completed. " Ji Xing said frankly.

　　The pilot covers both production and consumption.

　　The reporter combed and found that there were 22 pilot projects for the promotion and application of biodiesel announced this time. Among them, the vast majority of the pilots are organized by local government departments, such as 17 pilots in Haidian District, Dezhou City, Shijiazhuang City and Qingdao City. According to the reporter’s understanding, most of these pilot areas cover well-known biodiesel enterprises and factories in the industry, such as Rongguang Biotechnology Co., Ltd. in Dezhou, Jinlihai (Group) Company in Tangshan, Zhongke New Energy Technology Co., Ltd. in Wenzhou, Langkun Environment (301305) Group in Guangzhou and Zhuoyue New Energy Co., Ltd. in Xiamen. Therefore, the above pilot projects mainly focus on the production end.

　　Another two pilots are located in related parks, namely Guang ‘an Economic and Technological Development Zone and Zhoushan Free Trade Zone. Guang ‘an Economic and Technological Development Zone has biodiesel production projects, such as Sichuan Jingu environmental protection technology catering waste oil comprehensive utilization project. Relying on Zhoushan Port, the world’s largest port, Zhoushan Free Trade Zone has a large demand potential for biodiesel. In 2023 alone, it completed the first single container ship offshore biofuel filling and the largest single biofuel filling business in China, which may generate a large number of consumer demand in the future.

　　In addition, there are three pilot projects led by enterprises, namely China Ship Fuel Co., Ltd., China Petrochemical Fuel Oil Sales Co., Ltd. and Shandong Expressway (600350) Group. These three companies mainly focus on the consumer side. Among them, the first two companies have begun to explore the bio-ship fuel filling business. In November last year, Sinopec Fuel Oil Guangdong Company, together with Langkun Environmental Group, Guangzhou Public Transport Group, Guangzhou Development (600098) Bibi Oil Depot and other units, completed the first demonstration of B5 diesel oil filling on water in the domestic inland river shipping field; China Shipbuilding has signed strategic cooperation agreements with some domestic first-line biodiesel suppliers. Shandong Expressway Group owns subsidiaries such as Shandong Expressway Rail Transit Group, Shandong Bohai Bay Port Group and Shandong Expressway Logistics Group, and has rich fuel application scenarios. In addition, Shangao Huaneng (000803), a subsidiary of Shandong Expressway Group, is also a leading enterprise in the resource utilization of kitchen waste oil in China.

　　"From this promotion and application pilot, the enthusiasm of local governments has been greatly taken care of. The local oil waste can be provided to biodiesel enterprises, and the products will be used by local traffic vehicles. In addition, in addition to the raw material production end, the application of B5 diesel and B24 diesel is also taken care of. For example, China Petrochemical’s Fuel Oil Company participated in this event, China Shipburning also participated, and Shandong Expressway also participated, basically forming a ‘ Line ’ 。” Ji Xing told reporters that according to the Notice of the National Energy Administration on Organizing the Pilot Demonstration of Biodiesel Promotion and Application issued in November last year, the important contents of the pilot include: promoting vehicle biodiesel in pilot areas, industries, enterprises and highways, and promoting the application of marine biodiesel in bonded areas, free trade zones and inland rivers, lakes and waterways. According to the publicity, the pilot basically covers the production end and application end, and it is expected to explore the establishment of a replicable and scalable development path and policy system, and gradually form a demonstration effect and scale effect.

　　"Shanghai practice" provides useful experience

　　In the interview, many people in the industry mentioned that since 2005, China has been promoting biodiesel for nearly 20 years. In the meantime, the development of biodiesel in China has gone through the stages from policy encouragement to regional practice and then to national pilot promotion. However, due to the shortcomings of raw material supply, market mechanism, promotion and use, the biodiesel industry has been "tepid".

　　"Around 2005, China started the pilot promotion of biodiesel. The main purpose at that time was to ensure energy security and replace supplementary fuel in many ways. But at present, except Shanghai, a relatively perfect ‘ Receiving, transporting, handling, adjusting and using ’ Outside the industrial system, it has not been promoted elsewhere. " An industry expert said.

　　The lack of raw materials with stable supply and price is considered to be one of the important reasons for "not popularizing". On the one hand, the development of biodiesel in China adheres to the principle of "not competing with people for grain and not competing with grain for land", but the construction of non-grain raw materials is not as good as expected, which indirectly leads to the failure of the industry to achieve better development. "At that time, China was still planting Jatropha curcas in Yunnan, trying to develop biodiesel from non-edible oils such as tung oil and oil palm, but it failed to form a scale." Li Dingjie said that, on the other hand, the kitchen waste oil has many sources, is widely distributed, is difficult to collect, and requires high management ability. Some places that do not have the conditions have failed to establish a perfect recycling system, resulting in a stable supply of raw materials.

　　"From the market point of view, it is not that it is impossible to promote biodiesel in China, but that the methods of promoting biodiesel need to be improved. It’s like Niu Gengdi, you have to put two cows in the right position, or else ‘ Fight ’ Either you can’t find the direction. " Ji Xing believes that in order to do a good job in the pilot application of biodiesel, it is necessary to combine policy with market, and the promotion practice of biodiesel in Shanghai has provided a good example.

　　"Shanghai is well designed in the collection, transportation and treatment of kitchen waste, the cost accounting of biodiesel production process, the price of biodiesel entering the market after modulation, and the distribution of vehicle refueling, so it was made at once." Ji Xing said that in September 2023, the National Energy Administration held a pilot promotion meeting for biodiesel in Shanghai to study and investigate the experience of promoting and applying biodiesel in Shanghai.

　　"From the current point of view, catering waste oil is a realistic and feasible resource choice for biodiesel." Li Dingjie said that this year, the National Energy Administration launched a pilot project to support the application and promotion of the Shanghai model in areas with conditions and willingness.

　　In view of how to promote the pilot project of biodiesel in an orderly manner, Li Dingjie suggested: "First, establish a sound storage and processing chain for kitchen waste oil; Second, there must be qualified enterprises that can produce biodiesel; The third is to ensure the sales channels of biodiesel and establish a mechanism associated with refined oil sales enterprises; The fourth is to guide consumers to use biodiesel and raise green awareness through publicity. "

　　Ji Xing made three suggestions.

　　The first is to establish a national waste collection mechanism. "At present, there are 100 pilot cities for kitchen waste in China, and 86 of them have actually passed the acceptance. At present, there are 230 prefecture-level cities left in China ‘ Blank ’ We must take the time to collect kitchen waste. " Ji Xing suggested that the scope of recycling should also be expanded, from the current restaurants, hotels and other places to schools, families and residential areas. He believes that if all areas and oil sources are covered, the total amount of recycled kitchen waste oil in China is expected to reach 10 million tons/year.

　　The second is to strengthen the promotion of application scenarios. Ji Xing suggested that the high-quality development of Yangtze River shipping can be combined with the application of marine biodiesel to reduce the cost of transformation and realize energy saving and carbon reduction. In addition, it can also strengthen the application of biodiesel in trucks and vehicles in high altitude areas.

　　The third is to expand the scope of consumption as soon as possible. In addition to the three pilot enterprises, more oil companies can participate and open up the demand space for biodiesel.

　　Source: China Chemical News.

Recently, the 2024 Wuling Binguo officially landed on the market. As a carefully planned annual change, the model has optimized its configuration while maintaining its original product characteristics, and further enhanced its market competitiveness through fine-tuning its price.

In terms of design, the new Wuling Binguo has followed its consistent fashion and agility, and the change lies in the clever addition of colors. The most striking thing is the new "Snow Mountain White" body painting of the entry-level light-enjoyment model, which undoubtedly broadens the personalized choice space for consumers. The overall lines of the vehicle are still smooth and round, from the closed front face, the blackened headlights decorated with X-shaped lights to the trapezoidal grille, every detail reveals the designer’s ingenuity.

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In terms of interior configuration, the 2024 Wuling Bingo maintains the balance between its sense of science and technology and warm atmosphere, and the design elements such as the suspended large-size central control panel and the two-piece steering wheel are preserved, and the upgrade of Ling OS Linxi system is a highlight of this change. New applications such as iQiyi and QQ music have enriched users’ driving entertainment.

In terms of power and performance, the new model maintains the original combination of battery and motor configuration, that is, single motor configuration of 41 HP and 68 HP, and lithium iron phosphate batteries with different capacities ensure the endurance of 203 km to 410 km. It is worth noting that the standard DC fast charging function of the whole system has become a big selling point, and it can be charged to 80% in only 35 minutes, and the motor is upgraded to the water-cooled flat wire type, which effectively improves the heat dissipation efficiency and the upper limit of driving speed, and the top speed can reach 130 km/h, even for the entry-level model, it can easily reach 100 km/h, which solves the potential concerns of users about performance.

　　After the brand’s first new energy model eπ 007, which was officially released in the first quarter of this year and began to be delivered at the end point, the brand’s second new energy model will also be officially unveiled to the public at the Beijing Auto Show next week, and is expected to be officially delivered in June this year.

　　Unlike the e π 007, a coupe-style new energy medium and large-scale car with a relatively younger positioning and more trendy fashion attributes, the e π 008, the second model brought by Dongfeng Yipai with the mission of brand upward, is positioned as a "family intelligent large SUV". It has a 5002mm car length, a 3025mm wheelbase and a 2 + 2 + 2 large six-seat layout, and will provide two power options: pure electric version and extended range version.

　　Exquisite appearance has many technical attributes:

　　In terms of exterior design, the eπ 008 can be said to be unambiguous from the whole to the details. First of all, the length of more than 5 meters and the wheelbase of 3 meters bring enough volume, while the consideration and carving of the drag coefficient of only 0.268 makes the whole car look elegant and not clumsy. It is reported that the new car will offer 6 exterior colors to choose from.

　　In terms of details, a smart starlight grille that supports a variety of rhythmic display effects, coupled with a through-type headlight composed of 536 LEDs that echoes back and forth, and a charging indicator at the D-pillar position fully demonstrate the romantic and technological attributes of this mainstream family car positioning model.

　　Comfort seriously in "volume":

　　As a new model that focuses on mainstream family car users and needs to take care of the needs of the whole family, the eπ 008 naturally cannot be vague in terms of space comfort.

　　First of all, the 5002mm*1972mm*1732mm’s large body and short front and rear overhang design bring more ample three-row six-seat driving space under the long wheelbase of 3025mm. The first two rows of seats can be used for occupants with a height of 1.9 meters, while the third row can also be used for two occupants with a height of 1.72 meters.

　　In terms of comfort configuration, the eπ 008 is equipped with a rare dual-purpose removable refrigerator (adjusted at 5-50 ° C) for models in the same price level, a 15.6-inch large-size smart rear entertainment screen that can support the front and rear "one-click fly screen", and a WANOS panoramic music cockpit with 20 speakers as standard in the whole car. Zero gravity seats, 21-inch brand silent tires (Continental EcoContact 7) and other configurations that help improve driving convenience and comfort further highlight the eπ 008’s serious focus on the "roll" side.

　　Intelligence does not dare to neglect:

　　The intelligent aspect now seems to have become an indispensable characteristic of new energy products, and the eπ 008, which is positioned as a "home smart large SUV", does not dare to neglect it. It has done its homework from intelligent configuration to intelligent driving system.

　　Entering the car, the first is the eπ 008’s SOA smart cockpit that supports multi-scene customization. It can be customized for background music, fragrance and other options in advance, and it is convenient to switch between scenes such as short meditation or lunch break during use.

　　Secondly, it is an intelligent voice interaction system that can realize full voice control of the car-machine interface and support multiple dialects. The quick response and compatibility of eπ 007 in this regard have been preliminarily verified and affirmed.

　　Thirdly, as an important part of the intelligent driving system, high-speed NOA pilot assisted driving and 400-meter over-the-horizon memory parking and other functional configurations have also appeared. Configurations such as non-sensory Bluetooth key, 9.2-inch streaming media rearview mirror, OMS gesture recognition + occupant recognition have further improved the technological intelligence of the vehicle.

　　Interior health and safety highlights:

　　In terms of body safety, the high-strength steel of the cage-type body structure eπ 008 accounts for 70.8%, and the weight of thermoforming applications accounts for 19.1%.

　　Among them, 1500 MPa ultra-high-strength steel plates are used in the key passenger compartment area of the new car.

　　In addition, the new car is equipped with 6 airbags as standard, and is given an integrated through-type air curtain across one to three rows of sides. In terms of battery safety, the Mach E battery, which once attracted a lot of attention with the "land, sea and air three-habitat test", has multi-dimensional safety assurance.

　　It is worth mentioning that in terms of interior health and safety details, the new car also fully adopts the baby-friendly safety interior of the silicone soft package, which forms a good match with the antibacterial microfiber PU leather material.

　　Competitive driving control:

　　Eπ 008 is based on the brand’s full-stack self-developed Dongfeng Quantum Architecture No. 2 platform, a new generation of intelligent electric architecture. The pure electric version has a cruising range of 636km and a low energy consumption performance of 14.7kWh/100km. The extended-range version with Mach 1.5T hybrid special engine has a comprehensive range of 1300km and a feed fuel consumption level of 5.55L/100km.

　　In addition, the in-wheel motor technology based on the quantum architecture platform and the support for the 800V fast charging platform for the whole vehicle will give the new car a stronger competitive advantage in terms of the convenience of energy replenishment and energy consumption.

　　Summary:

　　With the launch of the eπ 008, it can be said that Dongfeng’s independent camp has further improved its layout in the new energy market. And if the eπ 007, the first medium and large new energy model of Dongfeng Yipai, sitting on the scissor door and coupe positioning, attracts a relatively younger consumer group, then the launch of the eπ 008, which is expected to be officially unveiled at the Beijing Auto Show, for mainstream household users, fully reflects the factory’s hope to complete the brand’s move to a higher level through the launch of "high-value boutique cars" and the determination to win sales by building a hit.

The mainstream car has a moderate size and reasonable price, which is also one of its major features, so it is loved and chosen by many families. Space and vehicle comfort are closely related, and today we bring this car to you. Let’s introduce it well.

Let’s take a look at the appearance of the Asian Dragon first. The front style of the Asian Dragon is very delicate, and with the multi-spoke air intake grille, it looks very cold. The headlights are dynamic and elegant. The car is equipped with LED daytime running lights, front fog lights, automatic opening and closing, adaptive far and near light, etc. To the side of the body, the body size of the car is 4990MM*1850MM*1450MM, the car adopts deep lines, and the side gives a very personalized feeling. With large-sized thick-walled tires, it leaves a very angular feeling. On the rear design, the Asian Dragon tail line is domineering and stylish, the tail lights show a youthful and personalized design style, and the unique exhaust pipe makes the overall layout impressive.

In the car, the interior style is very simple, in line with the aesthetic standards of young people. The steering wheel of the car uses a four-frame design and is made of genuine leather, which looks a little cleaner. From the central control point of view, with the 10.1-inch central control screen, the interior design is quite layered and looks very cold. The interior feels good, and then look at the dashboard and seats. The car is equipped with a personalized dashboard, and the trendy design elements make people remember it at a glance. The car uses leather/imitation leather mixed and matched seats, and the seats are wrapped in place, further improving the comfort of the driver and occupant.

The Asian Dragon trunk space performance is not bad. After resting the rear seats, it can further expand the space, and the load capacity is great, which is enough for daily household use. In addition, the car is equipped with brake anti-lock braking (ABS), LED daytime running lights, brake assistance (EBA/BAS, etc.), braking force distribution (EBD), traction control (ASR/TCS, etc.) main driver airbag, rear window sunshade, passenger seat airbag, knee airbag, side aircurtain and other safety configurations.

The car introduced today is remarkable in terms of space, configuration, and power, and it is also a good helper for home travel. If you think so, then today’s car is still worth recommending.