Site Feedback

Title 40

Displaying title 40, up to date as of 7/14/2026. Title 40 was last amended 7/14/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 80Regulation of Fuels and Fuel Additives80.1 – 80.1479
Subpart MRenewable Fuel Standard80.1400 – 80.1479
§ 80.1400Applicability.
§ 80.1401Definitions.
§ 80.1402Availability of information; confidentiality of information.
§ 80.1403Which fuels are not subject to the 20% GHG thresholds?
§ 80.1404 [Reserved]
§ 80.1405What are the Renewable Fuel Standards?
§ 80.1406Obligated party responsibilities.
§ 80.1407How are the Renewable Volume Obligations calculated?
§ 80.1408What are the requirements for parties that own and redesignate certified NTDF as MVNRLM diesel fuel?
§§ 80.1409-80.1414 [Reserved]
§ 80.1415How are equivalence values assigned to renewable fuel?
§ 80.1416Petition process for evaluation of new renewable fuels pathways.
§§ 80.1417-80.1424 [Reserved]
§ 80.1425Renewable Identification Numbers (RINs).
§ 80.1426How are RINs generated and assigned to batches of renewable fuel?
§ 80.1427How are RINs used to demonstrate compliance?
§ 80.1428General requirements for RIN distribution.
§ 80.1429Requirements for separating RINs from volumes of renewable fuel or RNG.
§ 80.1430Requirements for exporters of renewable fuels.
§ 80.1431Treatment of invalid RINs.
§ 80.1432Reported spillage or disposal of renewable fuel.
§ 80.1433 [Reserved]
§ 80.1434RIN retirement.
§ 80.1435How are RIN holdings and RIN holding thresholds calculated?
§§ 80.1436-80.1439 [Reserved]
§ 80.1440What are the provisions for blenders who handle and blend less than 250,000 gallons of renewable fuel per year or who handle renewable fuel blended for fuels under a national security exemption?
§ 80.1441Small refinery exemption.
§ 80.1442What are the provisions for small refiners under the RFS program?
§ 80.1443What are the opt-in provisions for noncontiguous states and territories?
§ 80.1444Alternative RIN retirement schedule for small refineries.
§§ 80.1445-80.1448 [Reserved]
§ 80.1449What are the Production Outlook Report requirements?
§ 80.1450What are the registration requirements under the RFS program?
§ 80.1451What are the reporting requirements under the RFS program?
§ 80.1452What are the requirements related to the EPA Moderated Transaction System (EMTS)?
§ 80.1453What are the product transfer document (PTD) requirements for the RFS program?
§ 80.1454What are the recordkeeping requirements under the RFS program?
§ 80.1455 [Reserved]
§ 80.1456What are the provisions for cellulosic biofuel waiver credits?
§ 80.1457Petition process for aggregate compliance approach for foreign countries.
§ 80.1458Storage of renewable fuel, RNG, or biointermediate prior to registration.
§ 80.1459 [Reserved]
§ 80.1460What acts are prohibited under the RFS program?
§ 80.1461Who is liable for violations under the RFS program?
§ 80.1462 [Reserved]
§ 80.1463What penalties apply under the RFS program?
§ 80.1464What are the attest engagement requirements under the RFS program?
§ 80.1465 [Reserved]
§ 80.1466What are the additional requirements under this subpart for foreign renewable fuel producers and importers of renewable fuels?
§ 80.1467What are the additional requirements under this subpart for a foreign RIN owner?
§ 80.1468 [Reserved]
§ 80.1469Requirements for Quality Assurance Plans.
§ 80.1470 [Reserved]
§ 80.1471Requirements for QAP auditors.
§ 80.1472Requirements for quality assurance audits.
§ 80.1473Affirmative defenses.
§ 80.1474Replacement requirements for invalidly generated RINs.
§ 80.1475What are the additional attest engagement requirements for parties that redesignate certified NTDF as MVNRLM diesel fuel?
§ 80.1476Requirements for biointermediate producers.
§ 80.1477Requirements for QAPs for biointermediate producers.
§ 80.1478Requirements for foreign biointermediate producers and importers.
§ 80.1479Alternative recordkeeping requirements for separated yard waste, separated food waste, separated MSW, and biogenic waste oils/fats/greases.