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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. [27]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. United States vehicle emission standards - Wikipedia

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

    A representative dynamometer-based emissions test station. For model years prior to 1996, emissions tests were performed using a chassis dynamometer-based test; The vehicle is driven so that the wheels of its main driven axle (front or rear) sit atop the dynamometer rotors, when then are unlocked to rotate freely. A special collections line is ...

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

  5. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    An inspection sticker from the Commonwealth of Massachusetts A Warrant of Fitness certificate issued to vehicles in New Zealand. 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.

  6. United States Border Patrol interior checkpoints - Wikipedia

    en.wikipedia.org/wiki/United_States_Border...

    The United States Border Patrol operates 71 traffic checkpoints, including 33 permanent traffic checkpoints, near the Mexico–United States border. [1] [2] The stated primary purpose of these inspection stations is to deter illegal immigration and smuggling activities.

  7. Denver City, Texas - Wikipedia

    en.wikipedia.org/wiki/Denver_City,_Texas

    Denver City is a city located in Yoakum County in the far western portion of the U.S. state of Texas, near the New Mexico boundary. It is named for the petroleum company Denver Productions. Its population was 4,470 at the 2020 census, [4] down from 4,479 at the 2010 census. The city is located at the intersection of Texas State Highways 214 and 83.

  8. AirCare - Wikipedia

    en.wikipedia.org/wiki/AirCare

    The AirCare emissions program was started in order to reduce carbon emissions by vehicles. Many car models had to pass yearly or biyearly AirCare inspections. [2] The aim was to prevent old cars with high emissions from driving on the road without necessary repairs, thus protecting the air quality and lowering British Columbia's carbon footprint.

  9. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    The program will eliminate tailpipe testing of post-1999 vehicles and instead use the vehicle's own emissions monitoring systems. This system has saved consumers in 22 states time and money. [ 19 ] Vehicles manufactured in the model years between 1976 and 1999 are now required to pass a more stringent dynamometer-based tail-pipe test than was ...