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 Toxics(-)Air PollutionAir Quality PlansBiking & WalkingCars & TrucksCars, Trucks, & MotorcyclesClean CarsClimate ChangeConsumer ProductsDiesel VehiclesElectricityEnforcementFreight & Goods MovementFuelsHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & ExposureIndustry & ManufacturingResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTransitTruck & BusAir Cleaners & Ozone Generating ProductsAlternative Diesel FuelsCalifornia Bioresources Economy SummitCarl Moyer Memorial Air Quality Standards Attainment ProgramCommunity AirCommunity Air Protection Program Community HealthCommunity SolutionsCriteria Pollutant and Toxics Emissions Reporting (CTR)ExposureIn-Use Compliance ProgramsIn-Use Off-Road Diesel-Fueled Fleets RegulationIndoor Air QualityOutdoor Air Quality StandardsPeople at RiskResearch PlanningSchool BusesSmall Containers of Automotive RefrigerantStatewide Greenhouse Gas Monitoring NetworkStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection Program(-)Vapor RecoveryVapor Recovery - OverpressureVehicle Emissions Research ProgramZero-Emission Powertrain CertificationStudy 1 results found for StudyOverpressure - Studies and Technical Support Documents FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood