Is the hybrid car really fuel-efficient?

Indeed, we can see that in response to the call for national energy conservation and emission reduction, Chinese brands headed by BYD have launched plug-in hybrid vehicles, saying that they want to achieve “curve overtaking” and “recovering Heshan”; They have also stepped up their pace in recent times, and have launched a variety of domestic hybrid vehicles, including Toyota Twin Engine, the new Buick LaCrosse hybrid, Kia K5 Hybrid, the ninth-generation Sonata Hybrid, and the subsequent Accord Hybrid. Power, etc..... It can be said that new cars are emerging one after another, and they all want to take another share in the huge Chinese market!

However, here we have to ask, so many hybrids on the market, really say so fuel-efficient and money-saving? As for the fuel consumption of the hybrid car, there are actually many small secrets. It is impossible for the manufacturer to tell you, and the reason why you don’t tell you is that there is a reason to drop! Today's article, let's talk about these "unspeakable secrets"!

The so-called hybrid power, academically called hybrid electric power, is simply the power source that drives the car, in addition to the engine, there is also an electric motor. The role of the electric motor is to provide power, share or replace the burden of the engine, so that the engine does not work or work in a more fuel-efficient condition.

Hybrid power is generally divided into two types: plug-in or non-plug-in! The plug-in type is fully charged. The car can generally travel a long distance in the pure electric drive mode. If it is just a step-by-step trip, it can basically achieve zero fuel consumption.

Non-plug-in type is generally what we call oil-electric hybrid, which is a conventional hybrid. It does not require charging, and it is completely different from ordinary cars. But its energy source is to store the energy wasted by the original car in the form of electrical energy, so in the end, all its energy is still from gasoline.

Some people will definitely say this question: "Is this not nonsense? Isn't the launch of hybrids just to save fuel?" Of course, this is beyond doubt. The key issue is that it is not 100% fuel efficient, or it is not fuel efficient all the time! How do you say this?

As we all know, domestic policies can be said to be the only plug-in hybrid. The reason is that the rumors of the rivers and lakes are because the conventional mixing is too difficult, and the Chinese brand car companies are uncertain; but Toyota has done it, but the country does not want to subsidize Toyota for patents. Therefore, the new energy vehicle development route that our country pursues is the traditional car → plug-in hybrid → pure electric!

In the case of multi-party positives, Chinese brands have vigorously introduced plug-in hybrid vehicles. The fuel consumption parameters of the plug-in hybrid cars promoted by various companies are indeed very attractive. For example, BYD Qin has a fuel consumption of 1.6L/100km, BYD Tang has a nominal fuel consumption of 2.0L/Km, and Roewe 550Plug-in has a nominal fuel consumption of 2.3L/100Km.... Similar to the fuel consumption and tradition of 100km 1L to 2L. Compared with the fuel consumption of the fuel truck, the fuel consumption of 7,8L is almost the same, and the province is a province.

But is this really true? According to the posts posted by many netizens on the Internet, you will find that the owners of many plug-in hybrid cars basically do not meet the standards given by the manufacturers. Many car owners do not have such fuel-efficient! What is the reason for this?

This has to start from the fuel consumption test standard for the plug-in hybrid vehicle of the Ministry of Industry and Information Technology. The calculation formula for the fuel consumption test standard of our Ministry of Industry and Information Technology is in line with Europe:

Comprehensive fuel consumption = (pure electric mileage * pure electric fuel consumption, air mileage, air fuel consumption) ÷ (airborne mileage, pure electric mileage).

In addition, the standard also stipulates that in the fuel consumption test of the plug-in hybrid vehicle, the scene is set to use the engine to drive for 25 kilometers when the battery is exhausted, and the vehicle stops to start charging. That is, the mileage of air and electricity is 25km. At the same time, the fuel consumption in pure electric mode is zero. So the formula can be simplified as: integrated fuel consumption = 25 & TImes; fuel consumption during air (25 pure electric mileage).

Here we give an example. If we have a plug-in hybrid car with a pure electric range of 75KM, and the normal driving fuel consumption is 6L after the power is discharged, then the average fuel consumption according to the calculation method = (75 & TImes; 0 25 & TImes; 6) ÷ (75 25 ) = 1.5L. In fact, from this formula you can see the mystery, plug-in hybrids can achieve very good test fuel consumption, just because pure electric driving has reduced fuel consumption. Therefore, it can be seen that the fuel consumption test method of the plug-in hybrid vehicle of the Ministry of Industry and Information Technology has a bug in nature and cannot reflect the true efficiency level of the test vehicle. Because we have a lot of time, we can't really do it every day. Moreover, the battery is relatively large and heavy. Generally, it has a weight of several hundred kilograms. The battery that is pulled so heavy every day is more energy-consuming than the ordinary model.

If the plug-in type of "fuel-saving" is to see the conditions of the car, whether it is working under the condition that the battery is powered; then the "fuel-saving" of the conventional hybrid is to see the location of the car!

The advantage of mixing is that in the city, such as traffic jams, or non-stop brakes, this time the engine does not work, or the energy recovery, which is more fuel efficient; but at high speed, there is always a conservation of energy, the same car The same gasoline engine, the same conversion efficiency, mixing can not save fuel, but it may be more fuel-efficient, because the hybrid car has batteries and motors, the whole car is heavier.

Therefore, if you are in a big city like Shanghai and Beijing, and there are frequent traffic jams, then the hybrid car is definitely a big fuel-saving device. But if you are in a second- and third-tier city with good road conditions, or you often travel on a business trip, then its fuel economy is not as good as the manufacturers say!

It is also worth mentioning that, in the case of the same displacement, the power of conventional mixing is weaker than that of plug-in hybrids, because after all, conventional hybrids are not as oily as plug-in hybrids. The electric separation can bring high explosive power like a pure electric vehicle.

So it seems that whether it is a plug-in hybrid or a conventional hybrid, their fuel consumption is closely related to the scene used, and the scenes set in the national standard and the actual use of most consumers are still There is a certain discrepancy, so the nominal fuel consumption will be much lower than the actual level. But in any case, the hybrid model is definitely more fuel efficient than the transmission car. But whether you can really save a lot of "fare" than the average model by fuel-efficient, you have to see how you use the car!

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