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 ToxicsAir PollutionBiking & WalkingBusiness AssistanceBusiness AssistanceCars & TrucksClean CarsClimateClimate ChangeConstruction & Earthmoving EquipmentConsumer ProductsDiesel VehiclesElectricityEnforcementEnvironmental JusticeEnvironmental JusticeFreight & Goods MovementFuelsHealthHeavy-Duty EquipmentHeavy-Duty VehiclesIncentivesIncentivesIndoor Air Quality & ExposureLawn, Garden & Landscape Equipment(-)Measuring Air QualityOceangoing Vessels & Harbor CraftOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTrains & RailyardsTransitTruck & BusVW Diesel Vehicles(-)Air Cleaners & Ozone Generating ProductsAir Quality Improvement Program GuidelinesCommunity AirCommunity Air Protection Program Community HealthCriteria Pollutant and Toxics Emissions Reporting (CTR)ExposureIndoor Air QualityOutdoor Air Quality StandardsPeople at RiskQuality AssuranceStatewide Greenhouse Gas Monitoring NetworkStudy of Neighborhood Air near Petroleum SourcesFact Sheet 1 results found for Fact SheetOzone Effects FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood