Automobiles and Motorcycles in the Twenty-First Century


Automobiles are complex technical systems, composed of thousands of component parts. They are designed to transport passengers and goods. These vehicles are popular in many countries.

The development of automobiles in the twentieth century has been influenced by new technologies and safety legislation. Manufacturers develop more advanced designs and technologies every year. This allows them to divide the market into different segments.

Modern autos are designed to reduce air pollution and improve fuel efficiency. In the United States, regulations have been established to limit emissions from vehicles. However, even with these restrictions, people will still put their lives and the lives of others at risk when driving.

During the 1970s, the price of gasoline increased due to oil shortages. This made smaller autos more expensive. Americans relied more on imported cars in the 1970s. After World War II, Japanese automobiles gained popularity for their superior quality.

In the United States, manufacturers have developed standards for the safety of their products. Safety standards include head restraints, seat belts, and lighting. By 1990, more than 50 safety standards had been imposed on vehicle manufacturers.

These standards were created to increase safety for drivers and passengers. However, many experts say that the automaker standards don’t go far enough to reduce injuries.

In 2010, the Environmental Protection Agency limited the hydrocarbon emissions from U.S. motorcycles to 0.8 grams per kilometers. Carbon monoxide and nitric oxide emissions were also regulated. Earlier, the European Union set stricter limits on these compounds.

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