A self-propelled passenger vehicle that is driven on roads and consists of four to eight wheels and is powered by an engine. It is also a branch of engineering that deals with the manufacture and technology of automobiles. Automobiles play a major role in our lives and without them, many of the luxuries of modern life would be impossible to imagine. They are used for both passenger and goods transportation, hence performing as a lifeline for humans.
Most automobiles run on liquid fuel, such as gasoline. When burned, the fuel combines with air to produce mechanical energy that drives the wheels of the car, allowing it to move forward or backward. Automobiles can be equipped with different kinds of engines, depending on the type of vehicle and the needs of its owners.
PROS: OPENS UP THE WORLD: Having a car gives people access to places they wouldn’t be able to reach on foot or with other public transport. Cars can also save people a lot of time on their commutes or shopping trips, and make it easier to visit friends and family.
CONS: Most cars run on fossil fuels, which produce a lot of greenhouse gases. They are a significant source of air pollution in urban areas, and can be a nuisance for pedestrians and bicyclists.
The auto industry is an important part of the American economy, supporting 9.6 million jobs across all 50 states. It has cutting-edge facilities that assemble millions of vehicles each year and the major transportation infrastructure needed to export them around the globe.