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 Heavy-Duty VehiclesOn-Road Heavy-Duty VehiclesCommunity Air Protection Program Haagen-Smit Clean Air AwardsHydrogen Fueling InfrastructureLow Carbon Transportation Investments and Air Quality Improvement Program(-)Lower-Emission School Bus ProgramOil and Natural Gas Production, Processing, and Storage On-Road MotorcyclesProtect California Air Act of 2003 - Senate Bill 288School BusesVapor RecoveryVapor Recovery - OverpressureZero-Emission TransportationZero-Emission Vehicle ProgramFact SheetFormInformationLinkNotice(-)PresentationResearchVideo 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