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 ToxicsAirborne ToxicsAir PollutionAir Quality PlansBiking & WalkingBusiness AssistanceBusiness AssistanceCars & TrucksClean CarsClimate ChangeCommunitiesConsumer ProductsElectricityEnvironmental JusticeHealthIndoor Air Quality & ExposureMeasuring Air Quality(-)On-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySustainable Communities(-)Air Cleaners & Ozone Generating ProductsAlternative Diesel FuelsCalifornia Climate InvestmentsCommunity Air Protection Program Community HealthCommunity SolutionsExposureIn-Use Off-Road Diesel-Fueled Fleets RegulationIndoor Air QualityLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramOn-Road Heavy-Duty Certification Program(-)People at RiskResearch PlanningSchool BusesStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramTruck and Bus Regulation Zero-Emission Powertrain CertificationFact Sheet 1 results found for Fact SheetReduce Your Exposure to Particle Pollution FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood