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United States Environmental Protection Agency
Transportation, Air Pollution, and Climate Change
Accomplishments & Successes
View successes from the Clean Air Act, strategies for the future, and a timeline of accomplishments.
History of reducing air pollution from transportation
Learn about pollutants from vehicles and engines that cause harmful health effects and climate change.
Overview of air pollution from transportation
Learn about transportation and climate change, as well as EPA programs to reduce carbon pollution.
Carbon pollution from transportation
Other Air Pollution
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
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
Tools You Can Use
Green Vehicle Guide
Personal GHG calculator
to ask a question, provide feedback, or report a problem.
Chemicals and Toxics
Environmental Information by Location
Land, Waste, and Cleanup
Laws & Regulations
By Business Sector
Laws and Executive Orders
Policy and Guidance
Planning, Budget and Results
Jobs and Internships
Labs and Research Centers