Who s got the best gasoline? What brands of gasoline are better?

There is no difference in the quality of gasoline itself, there are national standards there, and the private small gas stations will be lower, but some small gas stations may be low, but they may use their hands and feet on the machine, so that the actual amount of oil you add is less than the quantity displayed by the machine. However, in general, private gas stations are still cheaper.

Sinopec oil is burn-resistant.

China's three major gasolines are Sinopec, PetroChina and CNOOC, the three major gasolines have their own characteristics, Sinopec is smelting, PetroChina is mining, and CNOOC is marine mining. The quality of these three gasolines is very good, and the quality is not much different, but in comparison, the quality of Sinopec's gasoline will be slightly better.

From the first point of view, Sinopec is from abroad, while PetroChina and CNOOC are from China, and there must be a difference in oil products. In addition, the refining technology adopted by Sinopec is the world's leading, which is slightly better than the refining technology of PetroChina and CNOOC, so that the density of Sinopec gasoline will be higher than that of PetroChina and CNOOC. The higher the density of gasoline, the greater the power of the vehicle, which means that Sinopec's gasoline is more burn-resistant than PetroChina and CNOOC.

Fuel-saving methods for cars.

1. Long downhill hanging D gear.

In fact, if you want to save fuel on long downhill sections, you can put D gear on. After the vehicle is put on the D gear, the owner releases the accelerator pedal, then the vehicle driving system will automatically disconnect the fuel supply, so as to achieve the purpose of fuel saving.

2. Wait for the red light to hang the N gear.

The waiting time for red lights at some intersections is particularly long, if you put the gear in D gear and press the brake, it will not only increase the friction of the clutch, but also accelerate the damage of the clutch; It can also cause the fuel consumption of the vehicle to rise sharply. The appropriate way to do this is: when waiting for the red light, put the gear in N gear and pull the handbrake to prevent the vehicle from slipping backwards.

3. Don't slam on the accelerator.

Some car owners have very poor driving habits, and always step on the accelerator when driving an automatic transmission car, pursuing the rapid speed of the vehicle and the sound of strong car waves. In fact, the practice of slamming on the accelerator in this way is dangerous, and once a traffic accident occurs, the harm is higher and the scope of influence is more extensive. In addition, the fuel consumption of the vehicle will increase dramatically.

Objectively and fairly, PetroChina and Sinopec are the two largest oil exploration and smelting groups in China, representing the highest level of oil production and refining in China. Therefore, the quality of the oil products of the two companies is excellent, and the two companies are actively implementing national policies, promoting the upgrading of oil products, and contributing to the clear water and blue sky If you have to compare, it can only be said that the objective situation is different, and the characteristics of each oil will be different.

Sinopec's refinery is basically based on refining imported oil, while PetroChina is mainly based on domestic oil, although everyone uses the same process or slightly different but similar processes, but the additives are still different, so the refined oil will be slightly different from the whole. In terms of oil density alone, the density of PetroChina gasoline is basically around, and the density of Sinopec gasoline is basically around, that is to say, PetroChina can add about 30 liters more per ton of gasoline than Sinopec, which can make more money for gas station operators, but for consumers to actually add some less quality to the oil tank, that is to say, less energy, so the oil with high density is more cost-effective for consumers! According to this theory, some people believe that Sinopec's oil is more cost-effective.

In fact, oil products are not good, including the country.

Fourth, in terms of the distinction of national five gasoline, octane number and sulfur content are important indicators, while the refined oil of two barrels of oil, these indicators are absolutely passable and can be used with confidence.

The biggest advantage of Shell oil is that it cleans so well that many vehicles that stick to Shell oil don't see a single deposit when they turn on the engine. In addition to the excellent quality of engine oil, Shell also has the largest number of sales outlets in China, and the service is very complete. Shell motor oils are usually distinguished by the colour of the drums:

The Heineken HX8 Transcendence series is called "Grey Shell"; The Heineken HX7 is called the "Blue Shell"; HX5 is called "yellow shell"; hx3 is the "red shell" and so on. The Helix Ultra range is Shell's top-of-the-line fully synthetic lubricant, Heineken HX8 is an entry-level fully synthetic lubricant, HX7 is a semi-synthetic motor oil, and HX5 and HX3 are mineral lubricants.

Gasoline in the United States is divided into and 91. The oil number is determined according to the octane number in the gasoline, the higher the octane number, the better the knock resistance. The higher the compression ratio of the car engine, the higher the octane number of the gasoline used.

If the engine of the car has a turbo function, the gasoline with a higher octane number should be used, which is beneficial to the car compressor and turbocharging system. If the car is a naturally aspirated engine and a Japanese car with a low displacement, it is recommended to use No. 87 low-octane gasoline.

Although the oil of Shell is more expensive, the oil of Shell benefits from V-Power technology and is not easy to deposit carbon. Chevron is a Venezuelan oil company, the oil quality is quite good, the fuel extraction technology is more advanced, the ethanol content is only 3%, and a gallon can drive a longer distance, but it is also relatively high.

Castrol's biggest feature is that it has good fluidity at low temperatures and very good cold start protection for the engine. Castrol is divided into 5 main series: Extreme Synthetic Motor Oil; Magnetic synthetic motor oil (semi-synthetic); Jin Jia Mineral Engine Oil; Yinjiahu Mineral Engine Oil; Gallix Mineral Motor Oil.

It is a motor oil brand under the "Two Barrels of Oil".That is, Kunlun, a subsidiary of PetroChina, and the Great Wall brand of Sinopec. This is the most common domestic independent engine oil.

China National Petroleum Corporation **** (Chinese abbreviated as "PetroChina" or "PetroChina") is an important state-owned backbone enterprise, a comprehensive international energy company with oil and gas business, engineering and technical services, petroleum engineering construction, petroleum equipment manufacturing, financial services, new energy development and other main businesses, and is one of China's major oil and gas producers and merchants.

State-owned enterprises have the basic characteristics of an enterprise:

1) It is engaged in production and business activities;

2) it is an organization made up of a majority;

3) It is established in accordance with the law, and its certain rights and obligations are confirmed by law.

A state-owned enterprise is a special type of enterprise that, as stated in the definition, has its capital invested wholly or mainly by the state, and its entire capital or major shares are owned by the state. This is different from other enterprises that are invested wholly or mainly by civil society (organizations and individuals).

What are the rankings of true fully synthetic motor oils?

Because after adding a few of my own cars, I feel that Sinopec's oil products can run farther. Hope you can help you.

Gasoline is a volatile and flammable hydrocarbon mixture liquid that is fractionated and cracked from petroleum, and can be used as fuel. The appearance is a transparent liquid, flammable, the distillation range is 30 to 220, the main components are C5 C12 aliphatic hydrocarbons and naphthenes, as well as a certain amount of aromatic hydrocarbons, gasoline has a high octane number (anti-knock combustion performance), and according to the octane number is divided into 89, 90, 92, 93, 95, 97, 98 and other grades, from January 2012, gasoline grades 90, 93, 97 revised to 89, 92, 95.

On October 27, 2017, the World Health Organization's International Agency for Research on Cancer (IARC) released a preliminary list of carcinogens, and engine exhaust and gasoline were included in the list of Class 2B carcinogens.

In the mid-19th century, the importance of gasoline was not yet recognized, and kerosene for lighting lamps was used in large quantities. Petroleum refining at that time relied on a simple distillation process to separate the components of the oil with different boiling points. The kerosene component has a high boiling point, is safe to use when lit, and becomes the main product of **refining, while gasoline and other components are often burned as fuel.

In the mid-to-late 19th century, the internal combustion engine that used gasoline was created, and in 1886, the gasoline engine was successfully operated as the power of automobiles, and the importance of gasoline increased day by day. However, using the distillation method, only 20% of the gasoline can be extracted from **.

In 1911, the Standard Oil Company of the United States solved the problem of low gasoline yield and adopted the thermal cracking process invented by William Burton and Robert Hamfrisch to heat crack heavy gas oil into light gasoline and other fractions, thereby improving the overall gasoline yield, and the thermal cracking process was granted a U.S. patent in 1913. The subsequent catalytic cracking process further improved the gasoline yield and achieved a higher octane number than the thermal cracking process.

I think it's Sinopec, because after adding a few of my own cars, I feel that Sinopec's oil products can run farther. Hope you can help you.

**Different. The biggest difference is reflected in the different labels of gasoline. Common gasoline labels are divided into the following according to the octane number they contain

92, 95, 98 designations. Among them, 92 gasoline is relatively cheaper, and 95, 98 ** are more expensive in turn.

Three grades of gasoline, the higher the grade, the better the anti-knock performance, in the selection of automotive gasoline, the manufacturer will be determined according to the different compression ratios of different engines, the general gasoline engine compression ratio in 8-11bar, the higher the compression ratio, the higher the choice of gasoline labeling.

Because it does not have the scale and good reputation of state-run gas stations, it also leads to many people not daring to go to private gas stations to refuel, so in order to allow more car owners to be able to go to refuel, they can only lower ** and do some other activities to attract people, if the quality of oil is okay, private gas stations like this will be very good.

From a professional point of view, it is not recommended to fill engines with high compression ratios with low-grade gasoline. For example, the engine of Mazda Artez, with a compression ratio of 13, when using 92 gasoline, the knock sensor intervenes, causing the engine to constantly change the ignition advance angle, which affects the power and economy of the engine, although 92 gasoline can also make it run, but 95 gasoline is more suitable for him and can make it run farther.

The main reason why gasoline is cheap and expensive is that the oil is different, such as No. 92, No. 95, etc., and the grades are different. If the same grade of oil, ** is different, as for what car with what grade of gasoline, it is determined by the compression ratio of the car, the high compression ratio must use high-grade gasoline, low compression ratio can use slightly lower grade gasoline, of course, the use of high-grade gasoline is also beneficial.

Oils may not be the same, such as ** and additives.

Gasoline is expensive. The general market ** is gasoline is expensive by tons, diesel is expensive by liters, because the proportion of diesel is larger than gasoline, diesel is less economical than gasoline, because the diesel engine is compression ignition test, gasoline engine is ignition, so gasoline is expensive.

Gasoline ** is high, but affected by the market and **, the change is relatively large. The most important use of diesel is in diesel engines for vehicles and ships. Compared with gasoline, diesel has a high energy density and a low fuel consumption rate, but the exhaust gas contains more harmful components (NO, particulate matter, etc.).

Uses of dieselHigh-speed diesel engines (for automobiles) are more fuel-efficient than gasoline engines, and the demand for diesel is growing faster than gasoline. Compared with gasoline engines, diesel engines have higher thermal efficiency, higher power, lower fuel unit consumption, and are more economical, so they are increasingly widely used. Since the fuel consumption of high-speed diesel engines (50 75g mj) is lower than that of gasoline engines (75 100g mj), the use of diesel engines in large vehicles is increasing.

Diesel fuel is widely used in large vehicles, railway locomotives, and ships. Mainly used as a liquid fuel for diesel engines, diesel has the environmental characteristics of low energy consumption and low pollution, so some small cars and even high-performance cars also switch to diesel.