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Fuels Registration, Reporting, and Compliance Help

Contact Us

Technical Support for Fuel Programs

Support Line for EPA Fuel Programs

Email FuelsProgramSupport@epa.gov
Phone number 1-800-385-6164
Hours Monday through Friday
9:00 a.m. until 5:00 p.m. ET
Type of assistance
  • Fuels programs questions
  • Part 80 Registration and reporting assistance
  • EMTS technical support

Central Data Exchange (CDX) Helpdesk

Email helpdesk@epacdx.net
Phone number 1-888-890-1995, then select Option 1
Type of assistance
  • CDX account password resets
  • Lexis/Nexis authentication
  • Updates to CDX account information

CDX Node Support

Email nodehelpdesk@epacdx.net
Phone number 1-888-890-1995, then select Option 2
Type of assistance
  • Setting up a new node
  • Acquiring a NAAS ID
  • Troubleshooting nodes
  • Failed node submissions

Contact Us to ask a question, provide feedback, or report a problem.

Fuels and Fuel Additives Compliance