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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

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Transportation, Air Pollution and Climate Change

  • Recent Additions and Announcements

    See the recent additions to our websites and announcements from EPA's Office of Transportation & Air Quality.

Overview

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Learn about pollutants from vehicles and engines that cause harmful health effects and climate change.  
  • Overview of air pollution from transportation
  • Key issues, websites and programs
  • A-Z index

What You Can Do

" "
Find information about wise driving, choosing fuel efficient vehicles, and other tips for decreasing your carbon footprint.
  • What you can do to reduce pollution from vehicles and engines
  • To choose a fuel efficient vehicle, use the Green Vehicle Guide
  • To find information about fuel economy labeling (the window sticker), trends and data, use the Fuel Economy site

Accomplishments & Successes

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View successes from the Clean Air Act, strategies for the future, and a timeline of accomplishments.
  • Accomplishments and successes of reducing air pollution from transportation

Transportation and Carbon Pollution

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Learn about transportation and climate change, as well as EPA programs to reduce carbon pollution.
  • Carbon pollution from transportation

Other Air Pollution

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Learn about smog, soot, ozone, and other air pollution, as well as EPA programs to reduce them.
  • Smog, soot, and other air pollution from transportation

Transportation and Air Quality Resources

  • Press releases
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  • Recent additions and announcements
  • Frequent questions
  • AirNow
  • Smart Growth
  • Climate Change
Contact Us About Transportation, Air Pollution, and Climate Change to ask a question, provide feedback, or report a problem.
Last updated on November 18, 2024
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