2024 CFR > Title 40 > Chapter I > Subchapter C > Part 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures

2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER C > PART 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures

2022 CFR > Title 40 > Chapter I > Subchapter C > Part 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures

2021 CFR > Title 40 > Chapter I > Subchapter C > Part 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures

2015 CFR > Title 40 > Chapter I > Subchapter C > Part 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures

2014 CFR > Title 40 > Chapter I > Subchapter C > Part 86 > Subpart B – Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles and New Light-Duty Trucks and New Otto-Cycle Complete Heavy-Duty Vehicles; Test Procedures