United States Emission Standards
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High Quality Content by WIKIPEDIA articles! In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role.Due to its pre-existing standards and particularly severe automobile-driven air pollution problems in the Los Angeles metropolitan area, the U.S. state of California has special dispensation from the federal government to promulgate its own automobile emissions standards. Other states may choose to follow either the national standard or the stricter California standards. States following the California standards include Maine, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Maryland, Oregon, Washington, and Arizona (as well as the District of Columbia and Bernalillo County, New Mexico) and are frequently referred to as "CARB states" in automotive discussions since the regulations are defined by the California Air Resources Board.
Herausgeber Lambert M. Surhone
Herausgeber Miriam T. Timpledon
Herausgeber Susan F. Marseken