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Fuels and Fuel Additives

Renewable Fuels: EPA Moderated Transaction System (EMTS)
System Diagrams

Information flow of EMTS process
Central gateway to EPA programs.
View CDX registration page.
RFS2 RIN Transaction System.
View EMTS user's guide.
View EMTS Tutorials
All compliance information & reports submitted here.
View Reporting Page

If you have questions or request information, please contact the appropriate support or help line found on the Support & Help page.

Please visit EPA's Transportation and Air Quality web-based repository of mobile source documents, Document Index System (DIS). This searchable repository contains regulations, Federal Register notices, policy letters, and guidance documents.

Please visit our Related Links page for other fuel related information within EPA, other U.S. Agencies, and other fuel related websites.

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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