1. The sparks of the vehicle are blocked, and when the vehicle is idle, the automatic combustion of the vehicle is possible, and the oil consumption increases, and the vehicle is easily available.
2. The existence of a vehicle is a non-regular movement.
3. When I drive outside of the car, I don't have enough sense of movement during the journey.
4.If there is one point, the car is accelerating during the course of the process.
