Automobiles are vehicles that are powered by an internal combustion engine and are fueled with gasoline, although some modern automobiles use diesel engines. They are designed to carry two or six passengers and have a capacity for a limited amount of cargo. The automobile differs from other types of motorized vehicles such as trucks (or a bus or an omnibus) and motorcycles, which are designed for transporting people and goods over longer distances at higher speeds.

An automobile can be driven manually, but is usually shifted automatically using a transmission system, which transfers power from the engine to the wheels of the vehicle. The automobile is a highly complex technical system that consists of subsystems with specific design functions. Among these are the body, chassis, drivetrain, engine, and control systems. Research and development engineers have worked to improve the efficiency, performance, and safety of automobiles.


Having your own car gives you the freedom to move around as you choose and also to go to places not accessible by public transportation, such as shopping centers or friends’ houses. It is a huge convenience and it allows you to spend more time doing the things you like instead of travelling to them.

The automobile has radically changed the way society operates. It has paved the way for new businesses and industries to develop, such as the steel industry or machine tools. It has increased the level of personal freedom in the United States and allowed women to drive, as well as to hold jobs that were traditionally held by men.