Fuels and Fuel Additives
RFG Compliance Help
Regulations and Standards
- The RFG & Anti-Duping fuel program regulations are located in 40 CFR 80 subpart D & E.
- For the most updated fuel regulations, please visit the Electronic Code of Federal Regulations (e-CFR).
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
After publication of the final rule Standards for Reformulated and Conventional Gasoline, EPA received numerous questions concerning the manner in which EPA would implement the RFG and antidumping regulations.
EPA prepared "Questions and Answers" documents as the questions were received. EPA prepared a consolidated document organized by topic. This document is available below in its entirety, and in six sections plus an index for shorter downloads.
Questions & Answers
- Complete document (PDF) (261 pp, 6MB)
- Table of contents and index (PDF) (14 pp, 244K)
- Introduction (PDF) (1 pg, 44K)
- Section 1: Standards; models; baselines (PDF) (39 pp, 433K)
- Section 2: Sampling and testing; RFG general requirements (PDF) (30 pp, 306K)
- Section 3: Independent sampling and testing; in-line blending; compliance on average; surveys; downstream oxygenate blending (PDF) (47 pp, 252K)
- Section 4: Covered areas; registration, recordkeeping, and reporting; product transfer documents; California exemptions; attest engagements (PDF) (51 pp, 217K)
- Section 5: Anti-dumping; enforcement (PDF) (39 pp, 187K)
- Section 6: Interaction with state programs; supplemental Qs&As (including Transmix, butane blending and GTAB) (PDF) (33 pp, 456K)
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.