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State Emissions Standards and Testing

Where currently available online, below you will find links to information on vehicle emissions standards and testing in your state -- including when vehicles must undergo emissions testing, where to have your vehicle tested, what to do if your vehicle fails an emissions test, and more.

Alabama Kentucky North Dakota
Alaska Louisiana Ohio
Arizona Maine Oklahoma
Arkansas Maryland Oregon
California Massachusetts Pennsylvania
Colorado Michigan Rhode Island
Connecticut Minnesota South Carolina
Delaware Mississippi South Dakota
District of Columbia Missouri Tennessee
Florida Montana Texas
Georgia Nebraska Utah
Hawaii Nevada Vermont
Idaho New Hampshire Virginia
Illinois New Jersey Washington
Indiana New Mexico West Virginia
Iowa New York Wisconsin
Kansas North Carolina Wyoming

(PDF file)

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