An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Contact Us

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

Overview

Learn about pollutants from vehicles and engines that cause harmful health effects and climate change.

Overview of air pollution from transportation

Carbon Pollution

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