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 (-)Cars & TrucksClean CarsAccessible Clean Transportation Options SB 350Advanced Clean Cars ProgramAdvanced Clean TrucksAir Cleaners & Ozone Generating ProductsAir Pollution ComplaintsAir Quality Improvement Program GuidelinesAlternative Diesel FuelsCalifornia Climate InvestmentsCarl Moyer Memorial Air Quality Standards Attainment ProgramClimate Change ProgramsCommunity AirCommunity Air Protection Program Community HealthCommunity SolutionsCriteria Pollutant and Toxics Emissions Reporting (CTR)Diesel VehiclesEmergency Backup GeneratorsEnvironmental Justice ResourcesExposureHaagen-Smit Clean Air AwardsIn-Use Compliance ProgramsIn-Use Off-Road Diesel-Fueled Fleets RegulationIncident Air MonitoringIndoor Air QualityLow-Emission Vehicle ProgramNew Source Review Permitting Programs(-)OBD - On-Board Diagnostic ProgramOff-Highway Recreational VehiclesOutdoor Air Quality StandardsPeople at RiskPort Activities Public Safety Power Shutoff (PSPS) EventsQuality AssuranceResearch PlanningSchool BusesSpark-Ignition Marine WatercraftStatewide Greenhouse Gas Monitoring NetworkStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramTruck and Bus Regulation Truck Loan Assistance ProgramVapor RecoveryVehicle Emissions Research ProgramVolatile Organic Compounds (VOCs) and FormaldehydeZero-Emission Powertrain CertificationZero-Emission Vehicle ProgramFact SheetInformationLegal Document 4 results found for Fact SheetOn-Board Diagnostic II (OBD II) Systems Fact Sheet InformationOBD Resources Legal DocumentHeavy-Duty OBD Regulations and Rulemaking Legal DocumentOBD II Regulations and Rulemaking FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood