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 PollutionCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementHealthIndustry & ManufacturingMeasuring Air QualityOceangoing Vessels & Harbor CraftResearch(-)Simple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel VehiclesAccessible Clean Transportation Options SB 350(-)Advanced Clean Cars ProgramAir Cleaners & Ozone Generating ProductsClimate Change ProgramsCommunity AirCommunity Air Protection Program Community HealthExposureIndoor Air QualityOutdoor Air Quality StandardsPeople at RiskSustainable Communities & Climate Protection ProgramResearch 1 results found for ResearchResearch on Transportation Choices FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood