US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 1066 — VEHICLE-TESTING PROCEDURESSubpart J — Evaporative Emission Test Procedures1066.96540 C.F.R. § 1066.965Hot soak test.Last amended: 2016Year: 2026Length: 12 wordsOfficial source Cite as 40 C.F.R. § 1066.965 (2026)Test vehicles for hot soak emissions as described in 40 CFR 86.138-96.Cross-references to the CFR40:86.138-96.Previous40 C.F.R. § 1066.960Next40 C.F.R. § 1066.970