Do you know how car critics black cars increase fuel consumption? These fuel-intensive driving habits may also be something you have

Do you know how car critics black cars? Measuring fuel consumption, it is too easy to open the fuel consumption high!

Fuel consumption data, in fact, look at the Ministry of Industry and Information Technology's NEDC, although there is a gap with the actual opening, but the horizontal comparison still has reference significance. Bear fuel consumption can also be referenced, provided that there are enough data samples. As for the fuel consumption test done by the media, there is indeed a more rigorous one, but it is very easy to play the wrist here, saying what real fuel consumption, hehe.

Recently, the big drag racing evaluation Qin PLUS DM-i said that the average oil is 7, but on his test car, the cumulative fuel consumption is clearly written as 4.9L oil + 3 kWh, equivalent to 5.9L. That is to say, the fuel consumption is deliberately raised, and the cumulative average fuel consumption is only pulled to 5.9L (the cumulative average fuel consumption cannot be cleared or changed, calculated according to the amount of charging and fuel consumption combined with the total mileage). Looking at the bear fuel consumption, the average fuel consumption of the real car owner is only 4.72L, while the fuel consumption range is 3.89L-5.54L, and the total mileage of the sample is as high as 10 million kilometers.

You bring any car, no matter how fuel-efficient, I can measure the fuel consumption of more than 20L for you, as follows: In turn, if you want to save fuel, of course, you must avoid similar working conditions.

First, idle in situ to turn on the air conditioner

Turn on the air conditioner in situ and open the windows again in the summer. When idling, because your car is parked, it consumes fuel, but the mileage is zero, and if you calculate the instantaneous fuel consumption, it is infinite. Because you only consume fuel and don't walk the aisle, the oil in the tank can't go a hundred kilometers when it is burned dry. How much oil does this cost? It is related to the model and displacement, about 1.5L to 2.5L in an hour. When the price of oil is cheap, it also costs about ten dollars.

I pick up children in winter, wait for people, often open warm air (new energy vehicles) in situ, the meter shows that the electricity consumption of 100 kilometers is 57 degrees, which is equivalent to 20L less fuel consumption. In fact, my old Tang, smooth urban roads, 100 kilometers of seven or eight oil, the lowest I drove out of the beginning of the fuel consumption of 5. I turn on the warm air in situ because the road is short, the charging is convenient, and I don't care. However, if these electricity is to be charged back with oil, it needs a solid 20L of oil.

In winter, the warm air, pure fuel vehicles will not produce additional fuel consumption, and the in situ is only idle fuel consumption. However, in new energy vehicles, pure trams are most afraid of this kind of working conditions, especially models without heat pump air conditioning, heating is equivalent to driving a high-power hair dryer all the time. Here is a common sense by the way: the air conditioner in the car is more expensive than the air conditioner of 1 horse or even 2 horses in your bedroom at home, because your house has better thermal insulation, and the air conditioner does not have to work at full capacity when the temperature drops. And your car is a layer of iron, and it leaks air on all sides.

Plug in the mixed model, in situ to open the warm air, is the most exquisite, high power, easy to charge, that pure electric open on. If it is not easy to charge, and the power is less than 50%, then turn on the engine (do not light to switch HEV, pay attention to the mode, make sure the engine is working) and then set the SOC above the current power, and the engine idling in situ, you can also charge the battery, so that the energy consumption is the lowest. Do not open the warm air with pure electricity, and then charge it with oil. In the past, IT was said that BYD Tang Oil Tiger was basically opened in this way.

How to avoid it? When waiting for people, park the car, turn off the ignition, and go to the bank or shopping mall. There is a skylight on the car to open the sunroof, because the heat is going upwards, the car is basking for half a day, the temperature can reach fifty or sixty degrees, even if nothing is done, opening the skylight can also cool down quickly, at least the same as the external temperature. There is no sunroof driving window main driver and rear right side, forming diagonal convection, the hot air in the car is quickly exchanged out, and 30 seconds is enough. You can do this with the air conditioner on, because 30 seconds you can just start blowing cool breeze on the air conditioner, and it is not a waste.

There are also men who are reluctant to go upstairs when they get home at night, and like to listen to music in the car. At this time, don't care about such a little fuel consumption, spend a little oil to spend some oil, as if men only have a little time in the car is their own. It's best to just listen to music and quit smoking, because cigarette money is more expensive than oil money.

Second, slam on the brakes

Giving oil is actually not as expensive as you think, but slamming on the brakes - stepping on the brakes itself is not fuel-intensive, but you need to slam on the brakes, indicating that you have given a foot of useless oil before.

One drive on the Outer Ring Road, the road is in good condition but there are traffic lights. A cadillac with no sign next to it roared by, and I told my daughter-in-law that this dude was either for test drives or that they couldn't drive. Why? Because less than 200 meters ahead is the signal, there are now more than 20 seconds left in the red light. Sure enough, this dude to the red light in front of a foot brake stop, honestly waiting, I collect oil here, zero power taxi (plug in the mixed car) to control the speed, wait until the stop line just before the green light, tap the throttle to go...

I didn't stop, and there was still an initial speed of 30Km to the intersection, definitely in front of the Cadillac, and after a while the dude rushed up to the accelerator again and whistled past me. My side is still not hurried, switch the hybrid mode about 30Kw power slowly accelerated, look at the front intersection signal to control the rhythm, to the next intersection, or the same, no need to stop, directly go to you, and then to the buddies to leave behind.

Both ways of driving, the same stretch of road, I didn't take longer than that Cadillac, but the fuel consumption was certainly much less than his. Between my two signals, it is basically a foot of oil, half-way acceleration, half-way taxiing, no need to stop and wait at the intersection, there is no inefficient range of starting to pull high speed, acceleration is always about 30Kw (the economic working conditions of my car are about 2000 rpm, power 28-42Kw) are basically the highest thermal efficiency range, and half of the road engine is not working, are completed by taxiing. And that Cadillac, the initial stage must be a rich state of oil, and the throttle is relatively deep, listening to the sound also knows that it is a high speed. This is not to mention, when you get to the intersection, you have to step on the brakes, and the kinetic energy of the vehicle is consumed by the friction of the brake pads.

Assuming that the two cars are exactly the same, my driving method is basically the ultimate in fuel saving, one kilometer, half kilometer taxiing, half kilometer with the highest thermal efficiency work. If the thermal efficiency of the engine is 40% and the efficiency of the conversion into kinetic energy is 35%, then my efficiency value is 35% in this section of the road. And the other side, starting, deep throttle, this kind of working condition engine can only work in the inefficient range, generally about 20-25%, we calculate 25%, to the stop line before a foot brake, the remaining kinetic energy is wasted, the comprehensive efficiency value may not even be 20%. These two different driving styles, if I have 7 oils per 100 kilometers, he may need 12-13 this way of driving.

Third, low-speed creeping

It is said that the three mothers of the road, Lei LingXuanYi Corolla, these Japanese car owners can not say that there is one to count one, it is definitely the fuel consumption spokesperson of the Japanese car. These people save fuel no matter what car they drive, and treat the car like their little lover. However, slow is not necessarily fuel-efficient.

For example, starting, you from 0 to 60Km, if you slowly press the throttle, the output power is only 10Kw, then the efficiency of the engine is not high. As mentioned earlier, the minimum output power of the general engine under the best working conditions is also about 20Kw. You step too lightly, the intake is insufficient, it is oil-rich, the gasoline does not burn enough, but it costs oil.

In addition, for a while, you drive slowly for 30 minutes, drive faster for 20 minutes, and at least 10 minutes less idle fuel consumption.

Why does the hybrid car save fuel? In fact, it is not hybrid fuel saving, but the fuel vehicle is too fuel-intensive in the urban road conditions, and it is impossible to ensure that the engine works under economic conditions. If it is a national highway that does not need to be braked, hybrid vehicles and fuel vehicles are running at a uniform speed of 80Km at the same time for 100Km, and the fuel consumption of the two is almost the same, and it is even possible that fuel vehicles will be more fuel-efficient than hybrids because they are lighter.

In the urban area, it is difficult to maintain economic conditions for fuel vehicles. There is no problem when starting, but when the speed is uniform, it is often low speed and uniform speed, and the output power is not enough. Even if you have a uniform speed of 70Km, the power output is only about 10-15Kw. Why some people say that the economic speed of the car is 100Km per hour, it is because at this speed, the load of the car can just keep the engine in economic condition. The half-way acceleration and half-course taxiing method in front of me can maintain the optimal operating output of the engine at lower speeds. In fact, this is also the most fuel-efficient driving method in theory, the scientific name is "pulse sliding", P&G.

In addition, in the national six B era, most vehicles will be equipped with particle traps, which cannot be regenerated at low speeds, and the normal 100 kilometers of seven or eight oils are viewed to explore the mountain, and after blocking, it is easy to relax twenty or thirty oils.

Fourth, the number of revolutions does not match

Manual gear, high-end low speed, low gear high speed are all fuel-intensive. The gearbox changes the number of revolutions of the engine, you can open the manual transmission can be controlled by the gear, so that the engine remains in the economic rotation range, generally around 2000 rpm, too high or too low, will cause insufficient gasoline combustion.

Automatic gear, whether it is AT, CVT or DCT, can generally use the throttle depth to control the output power and the number of engine revolutions (faster or slower), of course, if you use D gear, to 2000 rpm on the upshift, you can use S gear, accelerate to keep at 2000 rpm, when sliding loose throttle with gear, into the towing condition.

Here to say, S gear is called sport, that is, the sport mode, the sport mode will maintain a higher number of revolutions of the engine, generally will be relatively fuel-intensive, but as long as you control the number of engine revolutions, it can also achieve the effect of fuel saving.

On the other hand, if you block the deep throttle, you will often turn four or five thousand revolutions, and the fuel consumption will inevitably be high.

5. Tires:

A fan asked me before, recently the car fuel consumption is unusually high, the original 100 kilometers of 10 oil, belongs to the normal level of SUVs, now less than fourteen or five, need to check which? I thought this buddy was blocked by the particle trap, and then I asked, this buddy went to Inner Mongolia, changed the SET of AT tires, and played with sand. Here science popularization, to play the desert, generally have to deflate the car, otherwise the grip is not enough, easy to get stuck in the car. The normal fetal pressure of 2.5, let alone 1.8. This brother changed a set of all-terrain tires, fuel consumption is inevitable, plus after giving up did not fight again, has been low tire pressure driving, no flat tire is lucky.

The tire pressure is low, the rolling resistance is large, the fuel consumption is bound to be high, and the slower the speed, the more obvious it is. If you care about fuel consumption, and if you drive at a low speed in the city, you can consider beating the tire pressure a little higher, the standard tire pressure of 2.5, and your new tire hits 2.8 is certainly no problem. Of course, the tire pressure is higher and the grip is worse, the braking distance is longer, the snow and ice road surface is more likely to slip in winter, and the ditch and bumper are more bumpy. However, the road conditions in the urban area are generally not a big problem - don't be too high, too high will not explode, but it will cause your tires to wear.

Sixth, the weight of the car:

This impact is actually not large, but it is also a bad car habit, I am typical. In my trunk, a box of mineral water and a box of sugar-free Coke are basically standard. There are camping tents, barbecue grills, floor mats, inflatable beds, parasols. It's in the car from summer to winter. Because it is a new energy vehicle, car charging is a must, but I myself equipped with more than 20 meters of extension line, from the sixth floor can fly line charging, let alone more than 20 pounds. The mess adds up, one or two hundred pounds is there.

It definitely has an impact on fuel consumption, but it is not as big as we think, it is nothing more than one more person sitting in the car. Some people say that adding half a tank of fuel to save fuel is also nonsense, almost negligible.

7. Short-distance driving

There are many harms in short-distance driving, the engine is easy to accumulate carbon, wear is aggravated, and it is easy to increase the emulsification of the oil in winter, and the oil cost is the most insignificant one. We say principle, why does it cost oil? Because the engine is a hot engine, it has not reached the working temperature, and the thermal efficiency is certainly not high. And you are driving for a short distance, just start must not be able to pull the number of high revolutions, low speed oil-rich state running, the engine carbon fuel consumption is still high. When the machine just gets hot, you stop and turn off. The emulsification of the oil in the winter of the two fields also occurs more or less under this working condition.

In addition, don't forget the particle trap mentioned earlier, so driving, it won't take long for the particle trap to be blocked. Volkswagen Tiguan Tanyue is a design defect, the blockage is relatively fast, other manufacturers will be better, but this thing is blocked sooner or later. I'll make an analogy to you to understand, you make a mask as a filter to filter sewage, and when the mask is dirty, you will use water to rinse and then filter, dirty and then flush. The flush will certainly not be as clean as new, and the effect of flushing will get worse and worse until the fuel consumption increases a little.

What to do? If the road is not far, sweep a bicycle and pedal to it, save energy and reduce emissions and exercise.