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 Climate ChangeFreight & Goods MovementIndustry & ManufacturingAdvanced Clean Cars ProgramAir Cleaners & Ozone Generating ProductsAir Toxics ProgramAlternative Diesel FuelsCalifornia Climate InvestmentsCargo Handling EquipmentCargo Tank Vapor RecoveryClimate Change ProgramsCommercial Harbor Craft Community AirCommunity Air Protection Program Community HealthComposite Wood Products Airborne Toxic Control MeasureCriteria Pollutant and Toxics Emissions Reporting (CTR)Distributed Generation Certification ProgramDrayage Trucks at Seaports & RailyardsEmergency Backup GeneratorsEnforcement Policy & ReportsExposureFARMER ProgramFederal Clean Air Act- Title V Operating PermitsGreenhouse Gas Standards for Medium- and Heavy-Duty Engines and VehiclesHeavy-Duty Diesel Inspection & Periodic Smoke Inspection ProgramsIn-Use Off-Road Diesel-Fueled Fleets RegulationIndoor Air QualityLow-Emission Vehicle ProgramLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramNew Source Review Permitting ProgramsOBD - On-Board Diagnostic ProgramOff-Highway Recreational VehiclesOil and Natural Gas Production, Processing, and Storage On-Road Heavy-Duty Certification ProgramOutdoor Air Quality StandardsPeople at RiskPortable Equipment Registration Program (PERP)Protect California Air Act of 2003 - Senate Bill 288Quality Assurance(-)Reducing Rail Emissions in CaliforniaRefrigerant Management ProgramResearch PlanningSchool Buses(-)SemiconductorSmall Off-Road Engines (SORE)Study of Neighborhood Air near Petroleum SourcesSupplemental Environmental Projects (SEPs)Sustainable Communities & Climate Protection ProgramVolkswagen Environmental Mitigation Trust for CaliforniaZero-Emission Landscaping EquipmentZero-Emission Powertrain CertificationZero-Emission Vehicle ProgramFact SheetForm(-)InformationLegal DocumentLinkNoticePresentationReportsResearchStudyTool 6 results found for InformationEvaluation and Potential Development of Regulations to Reduce Emissions from Locomotives InformationCARB Petitions U.S. EPA to Strengthen Locomotive Emission Standards InformationRailyard Health Risk Assessments and Mitigation Measures InformationRail Emission Reduction Agreements InformationIPCC Tier 2b Emissions Calculation Methodology InformationIPCC 100-Year GWP Values FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood