Car introduction: Cars are an indispensable means of transportation for people’s lives today. From the jet form envisioned by Newton in 1680, to the world's first steam-driven three-wheeled car made by N.J. Cugnot in 1769, to the birth of the first hybrid car in 1902, the development of automobiles has It is changing with each passing day and is gradually developing in the direction of green and energy-saving. It not only brings changes to people's lives, but also reflects the importance of environmental protection concepts.