Fuels and Fuel Additives
Renewable Fuels: EPA Moderated Transaction System (EMTS)
Documents
- Renewable Fuel Standard (RFS) Home
- Regulations & Standards
- Compliance Help
- Notices
- Moderated Transaction System
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
Registration
- To Add DC FUELS Program (PDF) (6 pp, 257K, March 2012, EPA-420-B-12-023)
- Getting Started - MyCDX (PDF) (8 pp, 258K, June 2011, EPA-420-B-11-025)
- Access by EPA Contractors to Information Claimed as Confidential Business Information (CBI)
Using EMTS
- EMTS System Changes (PDF) (1 pp, 88K, EPA-420-B-12-022a, April 2012)
- EMTS List of Documentation Updates (PDF) (1 pp, 48K, April 2012)
- EMTS Release Notes (PDF) (1 pp, 70K, Apirl 2012)
- EMTS User's Guide (PDF) (79 pp, 5.0MB, EPA-420-B-12-031, April 2012)
- EMTS Transaction Instructions (PDF) (194 pp, 5.4MB, EPA-420-B-12-030, April 2012)
- EMTS Document Descriptions v2.0 (XLS) (156K, May 2012)
- EMTS Quarterly Reports: Getting Started Guide (PDF) (26 pp, 770K, June 2011, EPA-420-B-11-012a)
- EMTS Reporting Codes and Fuel Pathways (XLS) (3 pp, 175K, May 2012)
Nodes
- Data Exchange Template (XLS) (60K, December 2011)
- Flow Configuration Document (PDF) (87 pp, 1.14MB, December 2011, EPA-420-B-11-057)
- EMTS XML Schema v2.0.1 (ZIP) (11K, December 2011)
- CDX Node Best Practices for EMTS Industry Nodes (2 pp, 555K, EPA-420-B-11-006, February 2011)
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.

