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 ChangeCommunitiesConstruction & Earthmoving EquipmentEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementHealth(-)Heavy-Duty VehiclesIncentivesIncentivesIndoor Air Quality & ExposureMeasuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel Vehicles(-)Low Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramSchool BusesTruck and Bus Regulation Presentation 1 results found for PresentationStatus of California's School Bus Fleet FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood