An Automobile is a vehicle that has a motor or engine, which provides the energy to turn the wheels. This energy can be chemical in the form of gasoline or electrical in the form of a battery.
How fast the engine can send the energy to the wheels is called its power, and this can vary depending on the size of the automobile. Smaller cars typically have four-cylinder engines, while larger vehicles often have six or eight-cylinder engines.
A car’s lubrication system protects the engine by carrying off heat and friction. The oil flows through a series of passages in the crankcase and then to all of the different parts in the engine, making sure that they do not come into contact with each other.
Having your own car can be a great convenience, as it allows you to cross town in minutes rather than hours, and this saves you time on your day-to-day commute, shopping trips or visiting family.
Automobiles also provide safety, comfort and protection from the elements. They can be designed for a variety of uses, such as a sport car that can handle high speeds or a fuel-efficient sedan that is good for local driving.
The automobile industry is a major employer, providing jobs for many Americans. It is also a source of tax revenues, contributing to the economy. But it has caused problems, such as air pollution, traffic jams and road rage. It is also a significant contributor to climate change.