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  2. Vehicle inspection in the United States - Wikipedia

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

    Striped: Both safety and emissions testing required. In the United States, vehicle safety inspection and emissions inspection are governed by each state individually. Fifteen states have a periodic (annual or biennial) safety inspection program, while Maryland requires a safety inspection and Alabama requires a VIN inspection on sale or transfer of vehicles which were previously registered in ...

  3. Diesel emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Diesel_emissions_scandal

    A tested Porsche Cayenne, emission standard Euro 6, exceeds the limit by 2.4 times at +10 to +16 °C with an average of 191 mg NO x /km after the software update. In addition, the vehicle with a carbon dioxide emissions of 179 g CO 2 /km is permitted, but in real operation on the road, according to DUH, the emissions are on average 241 g CO 2 /km.

  4. 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.

  5. Idaho wants to end vehicle emissions testing. How will that ...

    www.aol.com/news/idaho-wants-end-vehicle...

    The emissions testing program in Canyon County and Kuna began in 2010 because of an Idaho law that required vehicle emissions tests in airsheds where an ambient air pollutant is at or above 85% of ...

  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. Treasure Valley vehicle emissions tests are going away. But ...

    www.aol.com/treasure-valley-vehicle-emissions...

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  8. Volkswagen controversies - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_controversies

    The 2009 Volkswagen Jetta Diesel Sedan was awarded Green Car of the Year.The award was rescinded in early October 2015. On 18 September 2015, the United States Environmental Protection Agency (EPA) said beginning in 2008 the car maker fraudulently installed engine control unit (ECU) software determined to be a "defeat device", in violation of the Clean Air Act, to circumvent environmental ...

  9. Volkswagen emissions scandal - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_emissions_scandal

    In 2011, the European Commission's Joint Research Centre published a report which found the average on-road NO x emission of all tested diesel vehicles to be 0.93 ± 0.39 g/km, and that of tested Euro 5 diesel vehicles to be 0.62 ± 0.19 g/km. [83] Those numbers substantially exceeded the respective Euro 3–5 emission limit. [83]