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 This website is no longer updated and links to external websites and some internal pages may not work.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

Terminal blending of mid-grade gasoline (using a premium and regular mix) is common practice in the industry. We interpret that terminals engaging in this practice are not considered refiners under the regulations based on the comment "that the EPA believ

Parties who only mix different grades of certified reformulated gasoline will not be considered refiners or blenders under the reformulated gasoline regulations. Similarly, parties who mix different grades of conventional gasoline which were produced in compliance with the anti-dumping regulations will not be considered refiners under the regulations.(7/1/94)

This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)