US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 1066 — VEHICLE-TESTING PROCEDURESSubpart C — Dynamometer Specifications1066.20140 C.F.R. § 1066.201Dynamometer overview.Last amended: 2016Year: 2026Length: 8 wordsOfficial source Cite as 40 C.F.R. § 1066.201 (2026)This subpart addresses chassis dynamometers and related equipment.Next40 C.F.R. § 1066.210