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 This website is no longer updated and links to external websites and some internal pages may not work.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

Fuels Registration, Reporting, and Compliance Help

For conventional gasolines, the annual compliance report is based on all gasolines. Can one monthly composite be made up of all grades of gasolines and all seasons produced in that month, rather than one composite for each grade and season when compliance