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Fuels and Fuel Additives

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

Submitting EMTS Transactions

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  1. Web Interface
  2. Node
  3. EMTS Conversion Tool

Login to EMTS Website to:

  • Submit XML file; or
  • Manually enter transactions using data entry screens.
  • Set up a node for your organization, or download third-party node software.
  • Submit XML files via node-to-node communication.
  • Convert data from spreadsheet format into XML files using provided templates.
  • Login to EMTS web interface and submit XML files.

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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