So I know driving takes gas, and having my lights on costs battery power. But somehow driving charges the battery? Does that cost me extra gas? And what actually costs me gas also? Does standing still with the motor on cost me gas? If I have heating on max? If I have airco on max? What kind of driving costs more or less gas? I am so confused with this all. I dont feel like I am doing anything insane in my car, but still the total amount of km I can drive varies so much on a full gas tank. It goes from 600 to 400 and I have no idea why. I hope there is someone who can explain this to me
In: Engineering
Lights are an insignificant power draw. All of your electrics are, unless you’re running a huge thumping stereo. The heater only costs you the insignificant power of running a fan since the heating part is just done by running your hot engine coolant through a small radiator. Air conditioning can sap a little bit off your mileage.
Most likely it’s the way you drive. You maybe press the pedal to accelerate faster some times, and others not? That can make a major difference in your mileage.
Top Gear once ran a Prius and BMW M3 on a race track. The Prius was to go as fast as it can around and around, and the BMW was to stay right behind it. But the Prius has a tiny engine so the driver had to drive hard, and the BMW had a big engine and barely had to touch the gas to keep up.
The result, the BMW actually got better mileage than the Prius, because the Prius was driven hard, and the BMW wasn’t. But if you drove both cars lightly, the Prius will easily get much better mileage.
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