CFR > Title 40 > Chapter I > Subchapter U > Part 1048 > Subpart F CFR > Title 40 > Chapter I > Subchapter U > Part 1048 > Subpart F – Test Procedures Current as of: 2024 | Check for updates | Other versions § 1048.501 How do I run a valid emission test? § 1048.505 How do I test engines using steady-state duty cycles, including ramped-modal testing? § 1048.510 What transient duty cycles apply for laboratory testing? § 1048.515 What are the field-testing procedures?
