U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 40Chapter IPart 1051Subpart F - Subpart F—Test Procedures
§ 1051.501 - What procedures must I use to test my vehicles or engines?
§ 1051.505 - What special provisions apply for testing snowmobiles?
§ 1051.510 - What special provisions apply for testing ATV engines? [Reserved]
§ 1051.515 - How do I test my fuel tank for permeation emissions?
§ 1051.520 - How do I perform exhaust durability testing?
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