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 CarsClimate ChangeIndustry & ManufacturingAdvanced Clean Cars ProgramAir Quality Improvement Program GuidelinesAlternative Diesel FuelsCarbon Capture and SequestrationCargo Tank Vapor RecoveryHeavy-Duty Diesel Inspection & Periodic Smoke Inspection ProgramsLow Carbon Transportation Investments and Air Quality Improvement Program(-)OBD - On-Board Diagnostic ProgramOil and Natural Gas Production, Processing, and Storage Protect California Air Act of 2003 - Senate Bill 288(-)Semiconductor(-)Vapor RecoveryVolkswagen Environmental Mitigation Trust for CaliforniaVolkswagen Zero-Emission Vehicle (ZEV) Investment CommitmentVW Diesel Vehicle Owner InformationFact SheetFormInformation(-)Legal DocumentLinkNoticePresentationReportsResearchStudyTool 7 results found for Legal DocumentHeavy-Duty OBD Regulations and Rulemaking Legal DocumentOBD II Regulations and Rulemaking Legal DocumentSemiconductor Regulation Legal DocumentVapor Recovery Phase I and II Pre-EVR AST Executive Orders Legal DocumentVapor Recovery Phase I EVR AST Executive Orders Legal DocumentVapor Recovery Phase II AST Executive Orders Legal DocumentVapor Recovery Standing Loss Control Executive Orders FeaturedTruckStop Diesel Truck InformationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood