News Releases Search All News ReleasesView all news releases or search by topic, program, or year. (-)On-Road Heavy-Duty VehiclesClean Truck & Bus Vouchers (HVIP)(-)Clean Truck Check (HD I/M)Diesel EnforcementEnforcement of Clean Truck Check HD I/M RegulationLow Carbon Transportation Incentives and Air Quality Improvement ProgramSchool Buses2022(-)2021 1 results found for Dec 9, 2021CARB passes “smog check” regulation for heavy duty trucks and buses Email UpdatesKeep up to date with the latest press releases and media advisories.SubscribeContact Office of Communications comms@arb.ca.gov
