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 Pollution(-)Biking & WalkingBusiness AssistanceBusiness AssistanceCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentConsumer ProductsDiesel VehiclesElectricityEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementFuelsHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & ExposureLawn, Garden & Landscape EquipmentMeasuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel Vehicles(-)Air Cleaners & Ozone Generating ProductsClimate Change ProgramsCommunity Air Protection Program Community Health(-)Community SolutionsExposureIndoor Air QualityPeople at RiskSchool BusesSustainable Communities & Climate Protection ProgramFact Sheet 2 results found for Fact SheetReduce Your Exposure to Particle Pollution Fact SheetHealth Benefits of Physical Activity FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood