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 Agriculture(-)Airborne ToxicsAir PollutionAir Quality PlansCars & TrucksClimate ChangeCommunitiesConstruction & Earthmoving EquipmentEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementFuelsHealthIncentivesIncentivesIndoor Air Quality & ExposureIndustry & ManufacturingMeasuring Air QualityOceangoing Vessels & Harbor CraftPower EquipmentResearchSimple Solutions to Improve Air QualityTrains & RailyardsTransitTruck & BusVW Diesel VehiclesAir Toxics Program(-)Community AirCommunity Air Protection Program Composite Wood Products Airborne Toxic Control MeasureCriteria Pollutant and Toxics Emissions Reporting (CTR)ExposureIn-Use Compliance ProgramsIn-Use Off-Road Diesel-Fueled Fleets RegulationOutdoor Air Quality StandardsPeople at Risk(-)Research PlanningStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramVapor Recovery(-)Vapor Recovery - OverpressureVehicle Emissions Research ProgramInformationStudy 3 results found for StudyOverpressure - Studies and Technical Support Documents InformationCommon Air Pollutants InformationAir Quality Standards FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood