Code of Federal Regulations > Title 40 > Chapter I > Part 1048 > Subpart B - Subpart B—Emission Standards and Related Requirements

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 1048.101 - What exhaust emission standards must my engines meet?

§ 1048.105 - What evaporative emission standards and requirements apply?

§ 1048.110 - How must my engines diagnose malfunctions?

§ 1048.115 - What other requirements apply?

§ 1048.120 - What emission-related warranty requirements apply to me?

§ 1048.125 - What maintenance instructions must I give to buyers?

§ 1048.130 - What installation instructions must I give to equipment manufacturers?

§ 1048.135 - How must I label and identify the engines I produce?

§ 1048.140 - What are the provisions for certifying Blue Sky Series engines?

§ 1048.145 - Are there interim provisions that apply only for a limited time?