Owners know that driving gas-guzzling air conditioning is, but in the end how much the consumption of oil, a lot of people did not mind the number. Automotive air-conditioning compressor is the source of fuel, and you put the car in the open, when the air conditioning is turned on, in order to maintain the output power of the engine will increase the speed of the car himself up, while increasing fuel consumption.
The automotive air conditioning fuel consumption is generally said to be around 20?f the engine, but in fact, how much speed and fuel consumption and emissions, plus the amount of wind, are linked to, under normal circumstances, 10L fuel consumption of cars will increase after the air conditioning about 2L, we can see that this is still a lot of fuel.
The car's engine is actually provided to the air conditioning compressor power, so when you open the refrigeration and air conditioning, automotive engine pressure increases, you need to burn more gasoline to gain momentum, which is why sometimes you are driving case opened under the refrigeration and air conditioning because auto power weaker, because the engine of the "pressure" increases.
But the opposite heating and air conditioning, and why? Because the heat engine will produce heating, while heating is heating the air-conditioned "source of power", like the feeling of energy recycling, air conditioning and heating so that substantially no fuel.
Drive a car air conditioner needs power, heat air conditioning uses engine heat, cold air conditioning increases the burden on power, so that the difference in fuel consumption, obvious.