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  2. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28]California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 counties.

  3. Transportation Research Center - Wikipedia

    en.wikipedia.org/wiki/Transportation_Research_Center

    Both chassis dynamometers are AC motoring and meet EPA requirements for chassis based exhaust emission and Deterioration Factor Service accumulation testing. Exhaust emissions are measured using a 2013 model year AVL iGem i60 CVS dilute emissions bench. The bench is capable of measuring tailpipe exhaust emissions produced by gasoline and diesel ...

  4. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    Only state which still conduct emission testing dating back to the 1967 model year unlike other states using EPA classification (a few still conduct test for 1968–present (1968+ testing is for jurisdictions using defined EPA standards for vehicle classification since the '68 model year and beyond automobiles must have an exhaust emission ...

  5. Gwinnett Environmental & Heritage Center - Wikipedia

    en.wikipedia.org/wiki/Gwinnett_Environmental...

    The center was the result of a collaboration between the Gwinnett County Board of Commissioners, Gwinnett County Public Schools, the University of Georgia, and the Gwinnett Environmental & Heritage Center Foundation. [1] It was created as an educational facility for Gwinnett County with a focus on environmental issues. [2]

  6. North Carolina moves to end vehicle emissions testing in ...

    www.aol.com/north-carolina-moves-end-vehicle...

    The N.C. Division of Air Quality will ask the U.S. EPA to approve a plan to end annual emissions inspections in 18 of the 19 counties where it is still required.

  7. Georgia Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/Georgia_Department_of...

    While not officially part of Freeing the Freeways, over the next few years into the early 1990s, several of the suburban interstates would be widened including I-75 in Cobb County from Windy Hill Road to I-575 and I-85 in Gwinnett County from I-285 to SR 316. I-285's northern arc would get another lane in each direction.

  8. Category : Transportation in Gwinnett County, Georgia

    en.wikipedia.org/wiki/Category:Transportation_in...

    G. Georgia State Route 8; Georgia State Route 13; Georgia State Route 13 Loop (Buford) Georgia State Route 13 Spur (Buford) Georgia State Route 20; Georgia State Route 45 (1919–1926)

  9. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Arizona emissions testing locations are located primarily in the two largest metropolitan areas (Phoenix and Tucson). People outside of these areas are not required to submit their vehicle for testing as these areas are the only ones that have failed the air quality tests by the state.