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Fuels and Fuel Additives

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

Submitting RFS2 Reports

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  1. Login to EMTS
  2. Download EMTS Reports
  3. Review and Certify PDF Reports
  4. Create and Certify RFS2 Flat File Reports
  • Login to MyCDX.
  • Select the EMTS application.
  • Navigate to "View Reports" under the "Reports" menu in EMTS.
  • Must be subscribed to reports to download.
  • Reports available in XML format or CSV and PDF formats; XML and CSV for verification purposes only.
  • Review data contained in EMTS PDF Reports.
  • Submit EMTS PDF reports (RIN Transaction and RIN Generation) to DC Fuels.
  • DC Fuels accepts these report files in PDF format.
  • Review data contained in EMTS PDF Reports.
  • Enter data from EMTS PDF Reports into RFS2 Flat File Reports.
  • Flat file reports located at: http://www.epa.gov/otaq/regs/fuels/rfsforms.htm.
  • Submit flat file reports to DC Fuels in .CSV or .XLS format.

Download PDF version of diagrams (Scroll through the PDF using your mouse or arrow keys to see the interactive features of the diagrams.)


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.

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