Question

Your car burns gasoline with air to make heat. where does most of this energy come from?

Answer 1

by that only ::: heat energy is convert into stem energy:::which puses the crankshaft and then a DC motor is attached which produce the efficient energy

Answer 2

Most of our modern vehicles run on the petroleum fuels,which is the main energy source of the engines.

When the fuel burns,it produce high-pressure vapour which push the crankshaft attached with the main engine's motor.This whole procedure makes enough energy for the vehicle's operation.And our vehicles start to move with the fuel power.