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 Plans(-)Biking & WalkingCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentEnforcementEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementHealthIndoor Air Quality & ExposureIndustry & ManufacturingMeasuring Air QualityOceangoing Vessels & Harbor CraftResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel VehiclesAir Cleaners & Ozone Generating ProductsClimate Change Programs(-)Community Air Protection Program Community HealthCommunity SolutionsExposureIndoor Air QualityPeople at RiskSchool BusesSustainable Communities & Climate Protection ProgramFact SheetResearch 2 results found for ResearchResearch on Land Use and Transportation Planning Fact SheetHealth Benefits of Physical Activity FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood