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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. Transportation Research Center - Wikipedia

    en.wikipedia.org/wiki/Transportation_Research_Center

    Exhaust emissions are measured using a 2013 model year AVL iGem i60 CVS dilute emissions bench. The bench is capable of measuring tailpipe exhaust emissions produced by gasoline and diesel engines. The AWD dynamometer Test Cell temperature can be set for vehicle testing between 20F (-6C) and 100F (38C). [6]

  6. California withdraws clean truck EPA waiver request ahead of ...

    www.aol.com/news/california-withdraws-clean...

    California said on Tuesday it has withdrawn its request for a federal waiver to require commercial truckers to transition to zero-emissions vehicles, preempting an expected denial from the ...

  7. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines.The primary emissions studied include hydrocarbons, volatile organic compounds, carbon monoxide, carbon dioxide, nitrogen oxides, particulate matter, and sulfur oxides.

  8. 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 ...

  9. North Carolina moves to end vehicle emissions testing in ...

    www.aol.com/news/north-carolina-moves-end...

    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.