Home › CFR › Title 16 › Part 30916 CFR Part 309 — Labeling Requirements for Alternative Fuels and Alternative Fueled VehiclesSubpart A — General§ 309.1— Definitions.§ 309.2— What this part does.§ 309.3— Stayed or invalid portions.§ 309.4— Preemption.Subpart B — Requirements for Alternative Fuels§ 309.10— Alternative vehicle fuel rating.§ 309.11— Certification.§ 309.12— Recordkeeping.§ 309.13— Certification.§ 309.14— Recordkeeping.§ 309.15— Posting of non-liquid alternative vehicle fuel rating.§ 309.16— Recordkeeping.§ 309.17— Labels.Subpart C — Requirements for Alternative Fueled Vehicles§ 309.20— Labeling requirements for new covered vehicles.§ 309.21— Recordkeeping.