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 ToxicsAir PollutionAir Quality PlansCars & TrucksClimate ChangeCommunitiesEnvironmental Justice(-)Freight & Goods MovementFuelsHealthIndoor Air Quality & ExposureMeasuring Air QualityPower EquipmentResearchSimple Solutions to Improve Air QualitySustainable CommunitiesTruck & BusAlternative Diesel Fuels(-)Cargo Handling EquipmentCarl Moyer Memorial Air Quality Standards Attainment ProgramClimate Change ProgramsCommercial Harbor Craft Community Air Protection Program Community HealthExposureIn-Use Off-Road Diesel-Fueled Fleets RegulationMinimizing Community Health Impacts from FreightReducing Rail Emissions in CaliforniaResearch PlanningSchool BusesStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramVehicle Emissions Research ProgramZero-Emission Powertrain CertificationFact SheetInformation 5 results found for InformationOverview of CHE Regulation Fact SheetFact Sheet for 2011 CHE Amendments Fact SheetFAQ for CHE Opacity Monitoring Requirements Fact SheetFAQ for CHE Regulation (including opacity monitoring) InformationCargo Handling Equipment Regulation to Transition to Zero-Emissions FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood