Why Do Cars Use Fuel? The Principle Explained

[VivienneLee]

The principle behind cars using fuel lies in the combustion of gasoline to generate energy, which powers the engine to produce mechanical energy. This mechanical energy is then transmitted to the tires to overcome ground friction and propel the vehicle forward. Therefore, any substance capable of generating mechanical energy can theoretically serve as fuel. Nowadays, alternative energy vehicles have emerged, utilizing electricity, liquefied petroleum gas (LPG), alcohol, solar power, among others. Additionally, most heavy-duty vehicles use diesel instead of gasoline. Additional Information: Precautions for Refueling: 1. Properly Position the Fuel Nozzle: Avoid fuel spillage to prevent fire hazards or even explosions. 2. Secure the Fuel Cap: After refueling, repeatedly verify that the fuel cap is securely locked to ensure driving safety. 3. Static Electricity Discharge: During refueling, it's advisable for all occupants to exit the vehicle. If remaining inside, ensure doors are closed. Discharging static electricity is also crucial—always discharge static by touching a metal object before handling the fuel nozzle. 4. Power Off: Turn off all electrical sources while refueling to minimize accident risks.