U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 16Chapter IPart 306 - PART 306—AUTOMOTIVE FUEL RATINGS, CERTIFICATION AND POSTING

GENERAL
§ 306.0 - Definitions.
§ 306.1 - What this rule does.
§ 306.2 - Who is covered.
§ 306.3 - Stayed or invalid parts.
§ 306.4 - Preemption.

DUTIES OF REFINERS, IMPORTERS AND PRODUCERS
§ 306.5 - Automotive fuel rating.
§ 306.6 - Certification.
§ 306.7 - Recordkeeping.

DUTIES OF DISTRIBUTORS
§ 306.8 - Certification.
§ 306.9 - Recordkeeping.

DUTIES OF RETAILERS
§ 306.10 - Automotive fuel rating posting.
§ 306.11 - Recordkeeping.

LABEL SPECIFICATIONS
§ 306.12 - Labels.
§ 306.13 - Incorporation by reference.
Appendix Appendix A - Appendix A to Part 306—Summary of Labeling Requirements for Biodiesel Fuels
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