US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 86 — CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINESSubpart A — General Provisions for Heavy-Duty Engines and Heavy-Duty Vehicles86.078-640 C.F.R. § 86.078-6Hearings on certification.Last amended: 2017Year: 2026Length: 29 wordsOfficial source Cite as 40 C.F.R. § 86.078-6 (2026)If a manufacturer's request for a hearing is approved, EPA will follow the hearing procedures specified in 40 CFR part 1068, subpart G. [81 FR 73975, Oct. 25, 2016]Previous40 C.F.R. § 86.078-3Next40 C.F.R. § 86.079-31