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 Air PollutionBiking & WalkingBusiness AssistanceBusiness AssistanceCars & TrucksCars, Trucks, & MotorcyclesClean CarsClimate ChangeCommunitiesConsumer ProductsDiesel VehiclesElectricityEnforcementEnforcementEnvironmental JusticeHealthHeavy-Duty EquipmentIncentivesIndoor Air Quality & Exposure(-)Measuring Air Quality(-)On-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySmokeSustainable CommunitiesTruck & Bus(-)Air Cleaners & Ozone Generating ProductsAir Quality Improvement Program GuidelinesCalifornia Climate InvestmentsCommunity AirCommunity Air Protection Program Community HealthCommunity SolutionsCriteria Pollutant and Toxics Emissions Reporting (CTR)Exposure(-)Indoor Air QualityLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramOn-Road Heavy-Duty Certification ProgramOutdoor Air Quality StandardsPeople at RiskQuality AssuranceSchool BusesStatewide Greenhouse Gas Monitoring NetworkStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramTruck and Bus Regulation Fact Sheet 2 results found for Fact SheetOzone Effects Fact SheetReduce Your Exposure to Particle Pollution FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood