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 PollutionBiking & WalkingBusiness AssistanceBusiness AssistanceClean CarsClimate ChangeConsumer ProductsElectricityEnvironmental JusticeHealthIndoor Air Quality & ExposureIndustry & ManufacturingMeasuring Air Quality(-)On-Road Heavy-Duty VehiclesRecreational Vehicles & WatercraftResearchSimple Solutions to Improve Air QualitySustainable Communities(-)Air Cleaners & Ozone Generating ProductsCalifornia Climate InvestmentsCommunity SolutionsExposureIndoor Air QualityLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramOn-Road Heavy-Duty Certification ProgramPeople at RiskSchool BusesSustainable Communities & Climate Protection ProgramTruck and Bus Regulation Fact 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