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  1. Emissions regulations set limits on the amount of pollution that vehicles and engines can emit1. These regulations address both vehicles and fuels. Regulated emissions include:
    • Raw fuel vented during normal engine shutdown
    • Smoke
    • Hydrocarbons
    • Carbon monoxide
    • Oxides of nitrogen2.
    Learn more:
    Emissions standards set limits on the amount of pollution a vehicle or engine can emit. EPA realizes that to reduce mobile source pollution we must address not only vehicles, engines, and equipment, but also the fuels they use. So we have set sulfur standards for gasoline, on-road diesel fuel, and nonroad diesel fuel.

    Basic Information about the Emission Sta…

    www.epa.gov/emission-standards-reference-guide/…
    Regulated emissions include raw fuel vented to the atmosphere during normal engine shutdown, and the following products of combustion in engine exhaust for certain classes of engines: smoke (SN), hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx).

    Emissions Certification Policy and Guidan…

    www.faa.gov/about/office_org/headquarters_office…
  2. People also ask
    What are EPA's proposed emissions standards?
    Regulations for Emissions from Vehicles and Engines EPA Proposes Most Stringent Vehicle Emission Standards If finalized, EPA’s proposed standards for light, medium and heavy-duty vehicles will fight climate change and improve air quality for communities across the U.S. Learn more about the proposals:

    Regulations for Emissions from Vehicles and Engines | US EPA

    epa.gov
    What will the EPA's new emissions rules mean for cars?
    For light-duty vehicles, the EPA expects the rules will result in an industry-wide average emissions target of 85 grams of carbon dioxide per mile, representing an almost 50% reduction compared to existing standards for model year 2026 vehicles. The agency expects the average CO2 emissions target for medium-duty vehicles to fall by 44%.

    EPA sets strict new limits for auto emissions to fight climate change - N…

    npr.org
    What are the new auto emissions rules?
    The new rules require auto manufacturers to slash emissions of greenhouse gasses like carbon dioxide that are heating the planet, as well as air pollutants that contribute to soot and smog.

    EPA sets strict new limits for auto emissions to fight climate change - N…

    npr.org
    What are the new EPA emissions standards for 2027 & 2026?
    Light- and Medium-Duty Vehicle Final Standards The final standards announced today, the “Multi Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles,” build on EPA’s existing emissions standards for passenger cars and light trucks for model years 2023 through 2026.

    Biden-Harris Administration finalizes strongest-ever pollution

    epa.gov
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  3. U.S. Environmental Protection Agency
    https://www.epa.gov/regulations-emissions-vehicles-and-engines

    Regulations for Emissions from Vehicles and Engines

  4. Wikipedia
    https://en.wikipedia.org/wiki/United_States...

    United States vehicle emission standards - Wikipedia

  5. U.S. Environmental Protection Agency
    https://www.epa.gov/newsreleases/biden-harris...

    Biden-Harris Administration finalizes strongest-ever pollution ...

  7. U.S. Environmental Protection Agency
    https://www.epa.gov/regulations-emissions-vehicles...

    Regulations for Greenhouse Gas Emissions from Passenger Cars …

  8. NPR
    https://www.npr.org/2024/03/20/1239092833

    EPA sets strict new limits for auto emissions to fight …

    WEBMar 20, 2024 · The new rules require auto manufacturers to slash emissions of greenhouse gasses like carbon dioxide that are heating the planet, as well as air pollutants that contribute to soot and smog.

  9. US EPA
    https://19january2021snapshot.epa.gov/regulations...

    Regulations for Emissions from Vehicles and Engines - US EPA

  10. US EPA
    https://19january2021snapshot.epa.gov/emission...

    Emission Standards Reference Guide | US EPA

  11. Ohio EPA
    https://epa.ohio.gov/divisions-and-offices/air...

    Air Pollution Control - Ohio

  12. NBC New York
    https://www.nbcnewyork.com/news/national...

    EPA issues new auto emissions rules. What to know - NBC New York

  13. NPR
    https://www.npr.org/2023/04/12/1169269936

    What to know about the EPA's stringent auto emission …

    WEBApr 12, 2023 · The EPA is proposing tailpipe emission rules so strict that carmakers would need two-thirds of their sales to be zero-emission by 2032 to comply. And that seems to be precisely the goal.

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