US lawCaliforniaStatutesCode hscDivision 26Part 1Chapter 239029Cal. HSC § 39029Cal. HSC § 39029Last amended: 1975Year: 2025Length: 21 wordsOfficial source “Exhaust emissions” means substances emitted to the atmosphere from any opening downstream from the exhaust port of a motor vehicle engine.PreviousCal. HSC § 39028NextCal. HSC § 39030