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 CarsClimateClimate ChangeCommunitiesConsumer ProductsElectricityEnvironmental JusticeFreight & Goods MovementHealthHeavy-Duty VehiclesIncentivesIncentivesIndoor Air Quality & ExposureIndustry & ManufacturingOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable Communities(-)TransitTruck & BusVW Diesel VehiclesAlternative Diesel FuelsClimate Change ProgramsCommunity Air Protection Program Community HealthExposureIn-Use Off-Road Diesel-Fueled Fleets RegulationResearch PlanningSchool BusesStudy of Neighborhood Air near Petroleum Sources(-)Sustainable Communities & Climate Protection ProgramZero-Emission Powertrain CertificationResearch 1 results found for ResearchResearch on Land Use and Transportation Planning FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood