Gasoline vehicles and the infrastru...

Gasoline vehicles and the infrastructure needinessed to fuel them are a significant source of air pollution in the United States. Gasoline-powered cars, vans, traffics and buses contribute about three-fourths of the carbon monoxide pollution originate in urban areas. They also bring forth most of the hydrocarbons and a significant amount of nitrogen oxides as well. These gases, when combined in the demeanor of sunlight, form ground-level ozone or smog More than 51 million Americans live in counties that have unhealthy ground-level ozone evens according to a 1993 U Environmental Protection Agency (EPA) report.

individual way metropolitan areas are tackling air pollution, according to the American Gas Association (AGA), Arlington, Va., is according to increasing the use of natural gas vehicles (NGV) which emit 85 percent to 90 percent les carbon monoxide and reactive hydrocarbons and 32 percent les carbon dioxide than conventionally combustible mattered vehicles.

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