Automobiles are highly complex technical systems, containing thousands of component parts. They are usually designed to transport passengers or goods. The automobiles play a vital role in modern society.
Automobiles come in many different styles and designs. The most common are the passenger car, which make up a large portion of the vehicles on the road today.
In the United States, the automobile industry dominated in the first half of the twentieth century. As more people became wealthy, the demand for cars increased.
Auto manufacturers use highly skilled workers and precise robotics. Their production methods revolutionized industrial manufacturing. By the 1980s, the automobile industry had become a global enterprise.
Automobiles are powered by gasoline or diesel. However, they contribute to air pollution, which can have harmful effects on humans and the environment.
Cars contain toxic lead battery acids, which may cause health problems. Smog caused by these fumes covers cities and is a serious issue.
Cars also contribute to climate change. Greenhouse gases, which are produced by auto engines, trap heat in the atmosphere and allow more sunlight to reach the Earth than naturally.
As more people use the automobile, the supply industries have grown to meet the demand for gasoline and other fuels. Some of the most prominent European and Asian producers include Toyota, Hyundai, and BMW.
Today, the automobile industry is one of the largest in the world. It is responsible for the transportation of over 70 million people a year. Approximately 1.4 billion passenger cars are in use worldwide.