Engines are essential components in vehicles, converting fuel into mechanical energy to create motion. Here are the main uses of engines in vehicles:

1. Propulsion: The primary function of an engine is to propel the vehicle by converting fuel into mechanical energy. This energy drives the wheels, allowing the vehicle to move¹.
2. Powering Accessories: Engines also power various accessories in the vehicle, such as the air conditioning system, power steering, and alternator, which charges the battery².