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 & TrucksCars, Trucks, & MotorcyclesClean CarsClimate ChangeCommunitiesConsumer ProductsDiesel VehiclesElectricityEnforcementEnvironmental JusticeFreight & Goods MovementHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & ExposureOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTransitTruck & BusAir Cleaners & Ozone Generating ProductsClimate Change ProgramsCommunity Air Protection Program Community HealthCommunity SolutionsExposureIndoor Air QualityPeople at RiskSchool Buses(-)Sustainable 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