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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. United States vehicle emission standards - Wikipedia

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

    United States vehicle emission standards are set through a combination of legislative mandates enacted by Congress through Clean Air Act (CAA) amendments from 1970 onwards, and executive regulations managed nationally by the Environmental Protection Agency (EPA), and more recently along with the National Highway Traffic Safety Administration (NHTSA).

  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. Milwaukee just opened self-service kiosks for vehicle ... - AOL

    www.aol.com/milwaukee-just-opened-self-kiosks...

    Here's what to know about vehicle emission testing requirements in Milwaukee and how to use the new self service kiosks. Traffic travels along on I-94 west of downtown near 35th Street in ...

  6. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it was originally certified. [1] [2]

  7. Court upholds California's authority to set nation-leading ...

    www.aol.com/news/court-upholds-californias...

    Challenges to California’s authority to set vehicle emissions standards date back to when George W. Bush was president in the 2000s, said Ann Carlson, an environmental law professor at the ...

  8. Garage owner used a couple of tricks to help 15,000 NC ... - AOL

    www.aol.com/news/garage-owner-used-couple-tricks...

    He also changed the vehicle information for 3,622 light trucks, which require testing, to “heavy” models, which don’t. Prosecutors say all 15,000 vehicles would have failed their emissions ...

  9. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    An emission performance standard is a limit that sets thresholds above which a different type of vehicle emissions control technology might be needed. While emission performance standards have been used to dictate limits for conventional pollutants such as oxides of nitrogen and oxides of sulphur (NO x and SO x ), [ 3 ] this regulatory ...

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