Car means a motor vehicle with a wheel refers to a mechanical device, machinery for the blast operation is the origin of the engine power to the wheels rotate a moving car.
Vehicle means a motor vehicle with wheels, engine machine means machine that uses a bomb engine is the origin of the forces that makes the wheel escorting vehicle movement.
There is a means of aircraft wheels motor mechanism means that the machine, use the force of the explosion the machinery origins of engine power is the wheel, take a car moving.