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 PollutionAir Quality PlansBiking & WalkingCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentConsumer ProductsDiesel VehiclesElectricityEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementFuelsHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & ExposureLawn, Garden & Landscape EquipmentOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesResearch(-)Simple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel VehiclesAccessible Clean Transportation Options SB 350Advanced Clean Cars ProgramAir Cleaners & Ozone Generating ProductsClimate Change ProgramsCommunity AirCommunity Air Protection Program Community HealthExposureIndoor Air QualityOutdoor Air Quality StandardsPeople at Risk(-)Sustainable Communities & Climate Protection ProgramResearch 2 results found for ResearchResearch Program on Sustainable Communities ResearchResearch on Transportation Choices FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood