Contacts We can helpCARB staff are ready to help you find what you're looking for.Contacts Keywords AgricultureAirborne ToxicsAircraft & AirportsAir PollutionAir Quality MonitoringAir Quality PlansCalifornia is Going Zero EmissionsClean CarsClimate ChangeConsumer ProductsEnergy(-)EnforcementEnvironmental JusticeFreight & Goods Movement(-)FuelsHealthIncentivesIndoor Air Quality & ExposureIndustry & ManufacturingLawn, Garden & Landscape EquipmentOn-Road Heavy-Duty VehiclesResearchSmokeSustainable CommunitiesTransitTruck & BusVW Diesel VehiclesZero-Emission TransportationAlternative Diesel FuelsAlternative FuelsAsbestos NESHAP ProgramCalifornia Racing VehiclesCommunity Outreach and EnforcementComposite Wood EnforcementDiesel EnforcementDiesel FuelEnforcement of Clean Truck Check HD I/M RegulationEnvironmental ComplaintsGasolineLow Carbon Fuel StandardPortable Equipment Registration Program (PERP)Supplemental Environmental Projects (SEP)ABCDEFGHILPRSAll 23 results found for Registrar Emailarbtrain@arb.ca.govPhone(916) 322-3937DivisionEnforcement DivisionTopicsEnforcement