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  2. United States vehicle emission standards - Wikipedia

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

    Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...

  3. 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.

  4. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    Vehicle inspection is a procedure mandated by national or subnational governments in many countries, in which a vehicle is inspected to ensure that it conforms to regulations governing safety, emissions, or both. Inspection can be required at various times, e.g., periodically or on the transfer of title to a vehicle.

  5. Missouri State Highway Patrol - Wikipedia

    en.wikipedia.org/wiki/Missouri_State_Highway_Patrol

    Near the intersection of Clarkson Road and Kehr Mills Road in St. Louis County Trooper: Frederick F. Guthrie, Jr. 08-01-2011: Drowned along with his K9, Reed, when they were swept away by high water while working Missouri River flood duty: 46: In the area of Big Lake near Missouri Highway 118 and Missouri Highway 111 in Holt County, Missouri K9 ...

  6. Worldwide Harmonised Light Vehicles Test Procedure

    en.wikipedia.org/wiki/Worldwide_Harmonised_Light...

    WLTP (2015) (Addenda 15) v. t. e. The Worldwide harmonized Light vehicles Test Procedure (WLTP) [1] is a global driving cycle standard for determining the levels of pollutants, CO 2 emission standards and fuel consumption of conventional internal combustion engine (ICE) and hybrid automobiles, as well as the all-electric range of plug-in ...

  7. Vehicle registration plates of Missouri - Wikipedia

    en.wikipedia.org/wiki/Vehicle_registration...

    First issued. March 9, 1911. (1911-03-09) (pre-state plates from 1907 through March 8, 1911) v. t. e. The U.S. state of Missouri first required its residents to register their motor vehicles in 1907. Registrants provided their own license plates for display until 1911, when the state began to issue plates.

  8. FTP-75 - Wikipedia

    en.wikipedia.org/wiki/FTP-75

    t. e. 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). The testing was mandated by the Energy Tax Act of 1978 [1] in ...

  9. United States Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/United_States...

    Illinois's proposed rule would have reduced mercury emissions from power plants by an average of 90% by 2009. [59] In 2008—by which point a total of fourteen states had joined the suit—the U.S. Court of Appeals for the District of Columbia ruled that the EPA regulations violated the Clean Air Act. [ 60 ]