An official website of the United States government.

We've made some changes to 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.

Regulations for Emissions from Vehicles and Engines

Searching for Hidden Costs: A Technology-Based Approach to the Energy Efficiency Gap in Light-Duty Vehicles, Presentation made at the Association of Environmental and Resource Economists Annual Conference

This presentation contains research on consumer issues, including an assessment of vehicle affordability, a study of willingness-to-pay for various vehicle attributes, and content analysis of auto reviews.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Regulations for Emissions from Vehicles and Engines Home