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  2. United States vehicle emission standards - Wikipedia

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

    more than 2 model years old to 24 model years old; motorcycles, diesel-powered, and automobiles 25 model years or older exempt from emission testing – includes motor vehicles registered as an Antique or Classic under Texas law (either displaying state-mandated vanity license plate or vintage-era license plates (this also includes past general ...

  3. 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. [28]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.

  4. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect ...

  5. New emission rules for cars will start slow but grow rapidly ...

    www.aol.com/emission-rules-cars-start-slow...

    A new emissions rule for cars, trucks and vans sold in the United States from 2027 to 2032 will phase reductions in more slowly to allow charging infrastructure and low-carbon emissions vehicles ...

  6. Biden adopts new emissions rules for US cars, gives ... - AOL

    www.aol.com/biden-adopts-emissions-rules-us...

    The final rule issued by the EPA runs into criticism by Republicans as an EV mandate and ethanol proponents as ignoring benefits of renewable fuels

  7. Biden adopts new emissions rules for US cars, gives ... - AOL

    www.aol.com/biden-adopts-emissions-rules-us...

    A year ago in April, the U.S. Environmental Protection Agency (EPA) shocked the auto industry and heartened environmentalists by proposing tailpipe emissions standards so strict that, by model ...

  8. Regulation of greenhouse gases under the Clean Air Act

    en.wikipedia.org/wiki/Regulation_of_greenhouse...

    Through the Tailoring Rule, EPA raised the major source regulatory threshold for GHGs from the 100/250 ton per year levels to 100,000 tons per year of CO 2 equivalent emissions. In a 5-4 decision authored by Justice Scalia, the Supreme Court remanded the Tailoring Rule to EPA on the grounds that the Clean Air Act did not authorize the agency to ...

  9. Automakers say they need a 'miracle' to meet EV transition ...

    www.aol.com/news/automakers-miracle-meet-ev...

    Dealers, which were the first to sound the alarm on changes in the EV market last year, have argued that state and federal emissions requirements are out of step with demand. As companies push to ...