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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. California Smog Check Program - Wikipedia

    en.wikipedia.org/wiki/California_Smog_Check_Program

    The program included a biennial and change of ownership testing, "BAR 84" emissions test plus a visual and functional inspection of various emission control components, a $50 repair cost limit (unless emission device tampering was noted), licensing shops to perform smog checks and mechanic certification for emissions repair competence. [18]

  4. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    The California ARB standard for light vehicle emissions is a regulation of equipment first, with verification of emissions second. The property owner of the vehicle is not permitted to modify, improve, or innovate solutions in order to pass a true emissions-only standard set for their vehicle driven on public highways.

  5. United States vehicle emission standards - Wikipedia

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

    Annually. Light duty diesel emission inspections are conducted by using an opacity meter and dynamometer. A visual inspection for tampering of emission control devices is also part of the inspection procedure. Emissions testing is required in: The Las Vegas Valley and within a five-mile buffer zone around it.

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

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

    California can continue to set its own nation-leading vehicle emissions standards, a federal court ruled Tuesday — two years after the Biden administration restored the state’s authority to do ...

  7. California rule sets emission requirements but doesn't ban RV ...

    www.aol.com/california-rule-sets-emission...

    The California board debunked the claim that the regulation bans the sale of gas and diesel RVs in a "Myth vs. Fact" page on its website, saying the action requires more zero-emission vehicles but ...

  8. 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.

  9. California could force companies to fully disclose their ...

    www.aol.com/news/landmark-corporate-emissions...

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