Subpart S - GENERAL COMPLIANCE PROVISIONS FOR CONTROL OF AIR POLLUTION FROM NEW AND IN-USE LIGHT-DUTY VEHICLES, LIGHT-DUTY TRUCKS, AND HEAVY-DUTY VEHICLES Section 86.1801-01 - [Removed effective 6/17/2024] Applicability Section 86.1801-12 - [Effective 6/17/2024] Applicability Section 86.1801-12 - [Effective until 6/17/2024] Applicability Section 86.1802-01 - Section numbering; construction Section 86.1803-01 - [Effective 6/17/2024] Definitions Section 86.1803-01 - [Effective until 6/17/2024] Definitions Section 86.1804-01 - Acronyms and abbreviations Section 86.1805-04 - Useful life Section 86.1805-12 - Useful life Section 86.1805-17 - [Effective 6/17/2024] Useful life Section 86.1805-17 - [Effective until 6/17/2024] Useful life Section 86.1806-05 - [Removed effective 6/17/2024] Onboard diagnostics Section 86.1806-17 - [Effective 6/17/2024] Onboard diagnostics Section 86.1806-17 - [Effective until 6/17/2024] Onboard diagnostics Section 86.1806-27 - [Effective 6/17/2024] Onboard diagnostics Section 86.1807-01 - [Effective 6/17/2024] Vehicle labeling Section 86.1807-01 - [Effective until 6/17/2024] Vehicle labeling Section 86.1808-01 - [Effective 6/17/2024] Maintenance instructions Section 86.1808-01 - [Effective until 6/17/2024] Maintenance instructions Section 86.1809-01 - [Removed effective 6/17/2024] Prohibition of defeat devices Section 86.1809-10 - [Removed effective 6/17/2024] Prohibition of defeat devices Section 86.1809-12 - [Effective 6/17/2024] Prohibition of defeat devices Section 86.1809-12 - [Effective until 6/17/2024] Prohibition of defeat devices Section 86.1810-01 - General standards; increase in emissions; unsafe conditions; waivers Section 86.1810-09 - General standards; increase in emissions; unsafe condition; waivers Section 86.1810-17 - [Effective 6/17/2024] General requirements Section 86.1810-17 - [Effective until 6/17/2024] General requirements Section 86.1811-04 - Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles Section 86.1811-09 - Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles Section 86.1811-10 - Emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles Section 86.1811-17 - [Effective 6/17/2024] Exhaust emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles Section 86.1811-17 - [Effective until 6/17/2024] Exhaust emission standards for light-duty vehicles, light-duty trucks and medium-duty passenger vehicles Section 86.1811-27 - [Effective 6/17/2024] Criteria exhaust emission standards Section 86.1813-17 - [Effective 6/17/2024] Evaporative and refueling emission standards Section 86.1813-17 - [Effective until 6/17/2024] Evaporative and refueling emission standards Section 86.1815-27 - [Effective 6/17/2024] Battery-related requirements for battery electric vehicles and plug-in hybrid electric vehicles Section 86.1816-05 - Emission standards for complete heavy-duty vehicles Section 86.1816-08 - Emission standards for complete heavy-duty vehicles Section 86.1816-18 - [Effective 6/17/2024] Emission standards for heavy-duty vehicles Section 86.1816-18 - [Effective until 6/17/2024] Emission standards for heavy-duty vehicles Section 86.1817-05 - [Removed effective 6/17/2024] Complete heavy-duty vehicle averaging, trading, and banking program Section 86.1817-08 - [Removed effective 6/17/2024] Complete heavy-duty vehicle averaging, trading, and banking program Section 86.1818-12 - [Effective 6/17/2024] Greenhouse gas emission standards for light-duty vehicles, light-duty trucks, and medium-duty passenger vehicles Section 86.1818-12 - [Effective until 6/17/2024] Greenhouse gas emission standards for light-duty vehicles, light-duty trucks, and medium-duty passenger vehicles Section 86.1819-14 - [Effective 6/17/2024] Greenhouse gas emission standards for heavy-duty vehicles Section 86.1819-14 - [Effective until 6/17/2024] Greenhouse gas emission standards for heavy-duty vehicles Section 86.1820-01 - [Effective 6/17/2024] Durability group determination Section 86.1820-01 - [Effective until 6/17/2024] Durability group determination Section 86.1821-01 - [Effective 6/17/2024] Evaporative/refueling family determination Section 86.1821-01 - [Effective until 6/17/2024] Evaporative/refueling family determination Section 86.1822-01 - Durability data vehicle selection Section 86.1823-01 - [Removed effective 6/17/2024] Durability demonstration procedures for exhaust emissions Section 86.1823-08 - [Effective 6/17/2024] Durability demonstration procedures for exhaust emissions Section 86.1823-08 - [Effective until 6/17/2024] Durability demonstration procedures for exhaust emissions Section 86.1824-01 - [Removed effective 6/17/2024] Durability demonstration procedures for evaporative emissions Section 86.1824-07 - [Removed effective 6/17/2024] Durability demonstration procedures for evaporative emissions Section 86.1824-08 - [Effective 6/17/2024] Durability demonstration procedures for evaporative emissions Section 86.1824-08 - [Effective until 6/17/2024] Durability demonstration procedures for evaporative emissions Section 86.1825-01 - [Removed effective 6/17/2024] Durability demonstration procedures for refueling emissions Section 86.1825-08 - [Effective 6/17/2024] Durability demonstration procedures for refueling emissions Section 86.1825-08 - [Effective until 6/17/2024] Durability demonstration procedures for refueling emissions Section 86.1826-01 - Assigned deterioration factors for small-volume manufacturers and small-volume test groups Section 86.1827-01 - [Effective 6/17/2024] Test group determination Section 86.1827-01 - [Effective until 6/17/2024] Test group determination Section 86.1828-01 - [Effective 6/17/2024] Emission data vehicle selection Section 86.1828-01 - [Effective until 6/17/2024] Emission data vehicle selection Section 86.1829-01 - [Removed effective 6/17/2024] Durability and emission testing requirements; waivers Section 86.1829-15 - [Effective 6/17/2024] Durability and emission testing requirements; waivers Section 86.1829-15 - [Effective until 6/17/2024] Durability and emission testing requirements; waivers Section 86.1830-01 - Acceptance of vehicles for emission testing Section 86.1831-01 - Mileage accumulation requirements for test vehicles Section 86.1832-01 - Optional equipment and air conditioning for test vehicles Section 86.1833-01 - Adjustable parameters Section 86.1834-01 - [Effective 6/17/2024] Allowable maintenance Section 86.1834-01 - [Effective until 6/17/2024] Allowable maintenance Section 86.1835-01 - [Effective 6/17/2024] Confirmatory certification testing Section 86.1835-01 - [Effective until 6/17/2024] Confirmatory certification testing Section 86.1836-01 - Manufacturer-supplied production vehicles for testing Section 86.1837-01 - Rounding of emission measurements Section 86.1838-01 - [Effective 6/17/2024] Small-volume manufacturer certification procedures Section 86.1838-01 - [Effective until 6/17/2024] Small-volume manufacturer certification procedures Section 86.1839-01 - [Effective 6/17/2024] Carryover of certification data Section 86.1839-01 - [Effective until 6/17/2024] Carryover of certification data Section 86.1840-01 - [Effective 6/17/2024] Special test procedures Section 86.1840-01 - [Effective until 6/17/2024] Special test procedures Section 86.1841-01 - [Effective 6/17/2024] Compliance with emission standards for the purpose of certification Section 86.1841-01 - [Effective until 6/17/2024] Compliance with emission standards for the purpose of certification Section 86.1842-01 - Addition of a vehicle after certification; and changes to a vehicle covered by certification Section 86.1843-01 - General information requirements Section 86.1844-01 - [Effective 6/17/2024] Information requirements: Application for certification and submittal of information upon request Section 86.1844-01 - [Effective until 6/17/2024] Information requirements: Application for certification and submittal of information upon request Section 86.1845-04 - [Effective 6/17/2024] Manufacturer in-use verification testing requirements Section 86.1845-04 - [Effective until 6/17/2024] Manufacturer in-use verification testing requirements Section 86.1846-01 - [Effective 6/17/2024] Manufacturer in-use confirmatory testing requirements Section 86.1846-01 - [Effective until 6/17/2024] Manufacturer in-use confirmatory testing requirements Section 86.1847-01 - [Effective 6/17/2024] Manufacturer in-use verification and in-use confirmatory testing; submittal of information and maintenance of records Section 86.1847-01 - [Effective until 6/17/2024] Manufacturer in-use verification and in-use confirmatory testing; submittal of information and maintenance of records Section 86.1848-01 - [Removed effective 6/17/2024] Certification Section 86.1848-10 - [Effective 6/17/2024] Compliance with emission standards for the purpose of certification Section 86.1848-10 - [Effective until 6/17/2024] Compliance with emission standards for the purpose of certification Section 86.1849-01 - Right of entry Section 86.1850-01 - Denial, suspension or revocation of certificate of conformity Section 86.1851-01 - Application of good engineering judgment to manufacturers' decisions Section 86.1852-01 - Waivers for good in-use emission performance Section 86.1853-01 - Certification hearings Section 86.1854-12 - Prohibited acts Section 86.1855-86.1859 - Reserved Section 86.1860-04 - [Removed effective 6/17/2024] How to comply with the Tier 2 and interim non-Tier 2 fleet average NO[X] standards Section 86.1860-17 - [Effective 6/17/2024] How to comply with the Tier 3 fleet-average standards Section 86.1860-17 - [Effective until 6/17/2024] How to comply with the Tier 3 fleet-average standards Section 86.1861-04 - [Removed effective 6/17/2024] How do the Tier 2 and interim non-Tier 2 NO[X] averaging, banking and trading programs work? Section 86.1861-17 - [Effective 6/17/2024] How do the NMOG + NOX and evaporative emission credit programs work? Section 86.1861-17 - [Effective until 6/17/2024] How do the NMOG + NO[X] and evaporative emission credit programs work? Section 86.1862-04 - [Effective 6/17/2024] Maintenance of records and submittal of information relevant to compliance with fleet-average standards Section 86.1862-04 - [Effective until 6/17/2024] Maintenance of records and submittal of information relevant to compliance with fleet-average standards Section 86.1863-07 - [Removed effective 6/17/2024] Optional chassis certification for diesel vehicles Section 86.1864-10 - [Effective 6/17/2024] How to comply with the fleet average cold temperature NMHC standards Section 86.1864-10 - [Effective until 6/17/2024] How to comply with the fleet average cold temperature NMHC standards Section 86.1865-12 - [Effective 6/17/2024] How to comply with the fleet average CO2 standards Section 86.1865-12 - [Effective until 6/17/2024] How to comply with the fleet average CO[2] standards Section 86.1866-12 - [Effective 6/17/2024] CO2 credits for advanced technology vehicles Section 86.1866-12 - [Effective until 6/17/2024] CO[2] credits for advanced technology vehicles Section 86.1867-12 - [Effective 6/17/2024] CO2 credits for reducing leakage of air conditioning refrigerant Section 86.1867-12 - [Effective until 6/17/2024] CO[2] credits for reducing leakage of air conditioning refrigerant Section 86.1867-31 - [Effective 6/17/2024] CO2 credits for reducing leakage of air conditioning refrigerant Section 86.1868-12 - [Effective 6/17/2024] CO2 credits for improving the efficiency of air conditioning systems Section 86.1868-12 - [Effective until 6/17/2024] CO[2] credits for improving the efficiency of air conditioning systems Section 86.1869-12 - [Effective 6/17/2024] CO2 credits for off-cycle CO2 reducing technologies Section 86.1869-12 - [Effective until 6/17/2024] CO[2] credits for off-cycle CO[2] reducing technologies Section 86.1870-12 - CO[2] credits for qualifying full-size pickup trucks Section 86.1871-12 - [Removed effective 6/17/2024] Optional early CO[2] credit programs Appendix I to Subpart S of Part 86 - Vehicle Procurement Methodology Appendix II to Subpart S of Part 86 - As-Received Testing Vehicle Rejection Criteria Appendix III to Subpart S of Part 86 - As-Received Inspection