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 AgricultureAirborne ToxicsAir PollutionAir Quality Plans(-)Biking & WalkingCars & TrucksClean CarsClimate ChangeCommunitiesConstruction & Earthmoving EquipmentConsumer ProductsDiesel VehiclesElectricityEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & ExposureIndustry & ManufacturingLawn, Garden & Landscape EquipmentMeasuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel VehiclesAir Cleaners & Ozone Generating Products(-)Climate Change ProgramsCommunity Air Protection Program Community HealthCommunity SolutionsExposureIndoor Air Quality(-)People at RiskSchool BusesSustainable Communities & Climate Protection ProgramFact SheetResearch 3 results found for ResearchResearch on Land Use and Transportation Planning 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