Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchVapor RecoveryEducational ResourcesVideos Keywords Air PollutionCalifornia is Going Zero EmissionsClean CarsClimate Change(-)EnforcementFreight & Goods MovementIndustry & ManufacturingOn-Road Heavy-Duty VehiclesSmokeTruck & BusZero-Emission TransportationAir Quality TrainingCargo Tank Vapor RecoveryCommunity Outreach and EnforcementDiesel EnforcementDiesel VehiclesEnforcement of Clean Truck Check HD I/M Regulation(-)Enforcement Policy & ReportsEquipment and Process Precertification Program (Stationary Sources Only)Portable Equipment Registration Program (PERP)(-)Truck and Bus Regulation Truck Loan Assistance Program(-)Fact SheetInformationLinkNoticeReports 2 results found for Fact SheetDMV Compliance Verification Fact SheetEnforcement Administrative Hearings & Penalty Program Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood