An official website of the United States government.

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, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Regulatory Impact Analysis for the Final Cross-State Air Pollution Rule

This Regulatory Impact Analysis (RIA) presents the health and welfare benefits, costs, and other impacts of the Transport Rule, also called the Cross-State Air Pollution Rule, focusing primarily on 2014.

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