Code of Federal Regulations > Title 40 > Chapter I > Part 1051 > Subpart D - Subpart D—Testing Production-Line Vehicles and Engines

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 1051.301 - When must I test my production-line vehicles or engines?

§ 1051.305 - How must I prepare and test my production-line vehicles or engines?

§ 1051.310 - How must I select vehicles or engines for production-line testing?

§ 1051.315 - How do I know when my engine family fails the production-line testing requirements?

§ 1051.320 - What happens if one of my production-line vehicles or engines fails to meet emission standards?

§ 1051.325 - What happens if an engine family fails the production-line testing requirements?

§ 1051.330 - May I sell vehicles from an engine family with a suspended certificate of conformity?

§ 1051.335 - How do I ask EPA to reinstate my suspended certificate?

§ 1051.340 - When may EPA revoke my certificate under this subpart and how may I sell these vehicles again?

§ 1051.345 - What production-line testing records must I send to EPA?

§ 1051.350 - What records must I keep?