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EPA's website will operate in a diminished capacity on Saturday Feb 17, 2018 from 8:00 a.m. to noon EST for routine maintenance. Some services, such as search, may be temporarily unavailable for brief periods during this time. We apologize for any inconvenience.

Fuels Registration, Reporting, and Compliance Help

Compliance Help Tools for Fuels Program

Searchable Help Index

Find any page within EPA's fuel program website, including tutorials, documents, and diagrams.

Frequent Questions

Browse or search the Knowledge Base for answers to frequently asked questions.

Regulations and Standards

IT Helpdesk

Find support contacts for EMTS, CDX reporting and user accounts and NAAS authentication.

Program Support Helpdesk

Find support for questions related to Fuels Program regulations and registrations.