Generally, automobiles are self-propelled wheeled vehicles that are designed to carry passengers. They may also be used for carrying goods. They are typically four-wheeled, although two or three-wheeled automobiles are also manufactured.
The development of the automobile started in the late 1800s with the invention of the internal combustion engine. This invention is often credited to Dutch scientist Christiaan Huygens.
Automobiles began as bicycle-like contraptions. They were used to carry passengers and to deliver speeches. They were also used as mobile podiums. They were later designed to carry a large number of passengers.
The early cars were made by hand using machines and cranes. They were used to replace animal-drawn carriages. These vehicles had limited range and were inconvenient to start.
After World War II, automobiles were more affordable for middle-class families. This created demand for automobiles in the United States and in other parts of the world.
Automobiles are now a very important part of modern society. They are highly complex technical systems. They are comprised of thousands of parts, each of which is designed to serve a specific function. They are powered by gasoline or an electric motor.
Modern automobiles are composed of a variety of systems, including: interior and exterior design, the engine, suspension, chassis, and the drivetrain. Manufacturers employ scientists and research and development engineers to improve these systems.
In addition, automobiles are controlled by a human driver. They have multiple systems that allow drivers to issue commands verbally. They can be customized to a driver’s specific preferences.