U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 80Subpart E - Subpart E—Biogas-Derived Renewable Fuel
§ 80.100 - Scope and application.
§ 80.105 - Biogas producers.
§ 80.110 - RNG producers, RNG importers, and biogas closed distribution system RIN generators.
§ 80.115 - RNG RIN separators.
§ 80.120 - Parties that use biogas as a biointermediate or RNG as a feedstock or as process heat or energy.
§ 80.125 - RINs for RNG.
§ 80.130 - RINs for renewable CNG/LNG from a biogas closed distribution system.
§ 80.135 - Registration.
§ 80.140 - Reporting.
§ 80.145 - Recordkeeping.
§ 80.150 - Product transfer documents.
§ 80.155 - Sampling, testing, and measurement.
§ 80.160 - RNG importers, foreign biogas producers, and foreign RNG producers.
§ 80.165 - Attest engagements.
§ 80.170 - Quality assurance plan.
§ 80.175 - Prohibited acts and liability provisions.
§ 80.180 - Affirmative defense provisions.
§ 80.185 - Potentially invalid RINs.
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