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 & WalkingBusiness Assistance(-)Business AssistanceCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentConsumer ProductsElectricityEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementFuelsHealthIncentivesIndoor Air Quality & ExposureMeasuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesPower EquipmentResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel Vehicles(-)Air Cleaners & Ozone Generating ProductsIndoor Air QualityStationary Hydrofluorocarbon Reduction MeasuresFact Sheet 1 results found for Fact SheetComplying with the Air Cleaner Regulation FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood