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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. FTP-75 - Wikipedia

    en.wikipedia.org/wiki/FTP-75

    The EPA Federal Test Procedure, commonly known as FTP-75 for the city driving cycle, are a series of tests defined by the US Environmental Protection Agency (EPA) to measure tailpipe emissions and fuel economy of passenger cars (excluding light trucks and heavy-duty vehicles).

  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. Ford Proving Grounds - Wikipedia

    en.wikipedia.org/wiki/Ford_Proving_Grounds

    Aerial view of the Ford Arizona Proving Ground. Latitude and longitude: The Arizona Proving Ground opened in 1985. The Proving Ground consists of 1,498 acres (6.06 km 2) located less than one hour northwest of the Phoenix Sky Harbor Airport at an elevation of 1,650 feet (500 m).

  6. General Motors proving grounds - Wikipedia

    en.wikipedia.org/wiki/General_Motors_proving_grounds

    12 Mile Road is a straight section of pavement which duplicates the historical surface texture of a section of 12 Mile Road near Detroit. The Ride and Handling loop is enclosed by the Circle Track and has varied surfaces and turns. The Vehicle Safety & Crashworthiness Lab includes a recently added rollover test facility.

  7. Driving cycle - Wikipedia

    en.wikipedia.org/wiki/Driving_cycle

    This testing, the EPA Federal Test Procedure, commonly known as FTP-75 for the city driving cycle, is a series of tests defined by the US Environmental Protection Agency (EPA) to measure tailpipe emissions and fuel economy of passenger cars (excluding light trucks and heavy-duty vehicles).

  8. Packard Proving Grounds - Wikipedia

    en.wikipedia.org/wiki/Packard_Proving_Grounds

    An early attempt to locate a testing facility north and east of Detroit near the city of Mount Clemens was not approved by the Packard board of directors. A site had already been acquired by Henry Joy, but the 640 acres (2.6 km 2) was deemed to not have enough topographic diversity to allow for such things as hill testing. At the dawn of ...

  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. California's emissions standards are set by the California ...