Resources Resources such as documents, research, data, and other tools related to the activities of the California Air Resources Board are available from this page. Use the following general categories or the search tool below. Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor Recovery Keywords Airborne ToxicsAir PollutionBiking & WalkingCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentConsumer Products(-)EnforcementEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementHealthIndoor Air Quality & ExposureMeasuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesPower EquipmentResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel VehiclesCalifornia Racing VehiclesCargo Tank Vapor Recovery(-)Diesel EnforcementDiesel VehiclesEmergency Backup GeneratorsEnforcement Policy & ReportsEquipment and Process Precertification Program (Stationary Sources Only)New Source Review Permitting ProgramsPortable Equipment Registration Program (PERP)Protect California Air Act of 2003 - Senate Bill 288Public Safety Power Shutoff (PSPS) EventsSupplemental Environmental Projects (SEPs)Truck and Bus Regulation Truck Loan Assistance ProgramFact Sheet 1 results found for Fact SheetStrategic Plan for Enforcement of Diesel Emissions Control Regulations FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood