News Releases Search All News ReleasesView all news releases or search by topic, program, or year. Topic(-)Aftermarket, Performance, and Add-on PartsAlternative Diesel FuelsClean Cars 4 AllDiesel EnforcementDiesel VehiclesElectricity Transmission and Distribution Greenhouse Gas EmissionsEnforcement of Clean Truck Check HD I/M RegulationHaagen-Smit Clean Air AwardsHeavy-Duty Hybrid Electric Vehicle Certification ProceduresLow Carbon Fuel StandardMobile Source Emissions Research ProgramSmall Containers of Automotive RefrigerantZero-emission Vehicle Regulation202320222020201920132012(-)1985 1 results found for Feb 1, 1985CALIFORNIA AIR RESOURCES BOARD OKs AFTERMARKET CATALYTIC CONVERTERS Email UpdatesKeep up to date with the latest press releases and media advisories.SubscribeContact Office of Communications comms@arb.ca.gov
