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 MovementOn-Road Heavy-Duty VehiclesTruck & BusZero-Emission TransportationAir Quality Training(-)California Racing VehiclesCargo Tank Vapor RecoveryCommunity Outreach and EnforcementDiesel Enforcement(-)Diesel VehiclesEmergency Backup Generators(-)Enforcement of Clean Truck Check HD I/M RegulationEnforcement Policy & ReportsEquipment and Process Precertification Program (Stationary Sources Only)Oil and Natural Gas Production, Processing, and Storage Portable Equipment Registration Program (PERP)Public Safety Power Shutoff (PSPS) EventsStationary Hydrofluorocarbon Reduction MeasuresTruck and Bus Regulation Truck Loan Assistance Program(-)Fact SheetInformationLegal Document(-)Link(-)NoticeReports 4 results found for Fact SheetOn-Board Diagnostics (OBD) Testing Devices Fact SheetDMV Compliance Verification LinkCalifornia Racing Vehicles: Aftermarket Parts & Executive Orders NoticeCalifornia Racing Vehicles: Meetings & Workshops Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood