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 ChangeConsumer ProductsElectricityEnforcementEnvironmental JusticeFuelsHealthIndoor Air Quality & ExposureIndustry & ManufacturingMeasuring Air QualityOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySmokeSustainable CommunitiesAir Cleaners & Ozone Generating Products(-)Indoor Air Quality(-)New Source Review Permitting ProgramsFact SheetInformation 2 results found for InformationU.S. EPA’s Relaxation of Federal Air Permitting Fact SheetComplying with the Air Cleaner Regulation FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood