News Releases Search All News ReleasesView all news releases or search by topic, program, or year. Climate ChangeAlternative Diesel Fuels(-)California Corporate Greenhouse Gas (GHG) Reporting and Climate Related Financial Risk Disclosure ProgramsCap-and-Invest ProgramClean Cars 4 AllClean Truck & Bus Vouchers (HVIP)Diesel 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 ProgramNatural and Working Lands New Vehicle and Engine CertificationPlanning and Capacity BuildingSchool BusesSmall Containers of Automotive RefrigerantZero-emission Vehicle Regulation(-)2026 1 results found for Feb 26, 2026CARB approves climate transparency regulation for entities doing business in California Email UpdatesKeep up to date with the latest press releases and media advisories.SubscribeContacto Office of Communications comms@arb.ca.gov