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 This website is no longer updated and links to external websites and some internal pages may not work.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

Fuels Registration, Reporting, and Compliance Help

Tutorial Explaining the Relationships between Users, Organizations, and Facilities

Learn about the relationship between users of the EPA Moderated Transaction System (EMTS), organizations, and facilities.

NOTE:  This tutorial includes video, audio, and closed captioning. For best viewing, the Flash Plugin is required and a broadband connection is recommended. If you have any questions or comments, send an email to EPA Fuel Programs Support.