Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor RecoveryEducational ResourcesVideos Keywords Climate ChangeConstruction & Earthmoving EquipmentEnergy(-)EnforcementFreight & Goods Movement(-)Industry & ManufacturingLawn, Garden & Landscape EquipmentPower EquipmentSmoke(-)Air Quality TrainingCalifornia Climate InvestmentsCalifornia Racing VehiclesCargo Tank Vapor RecoveryCarl Moyer Program: School BusCommunity Air Protection IncentivesCommunity Outreach and Enforcement(-)Diesel EnforcementDiesel VehiclesEmergency Backup Generators(-)Enforcement of Clean Truck Check HD I/M RegulationEnforcement Policy & ReportsEquipment and Process Precertification Program (Stationary Sources Only)In-Use Off-Road Diesel-Fueled Fleets RegulationLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus ProgramOil and Natural Gas Production, Processing, and Storage Portable Equipment Registration Program (PERP)(-)Public Safety Power Shutoff (PSPS) EventsSchool Buses(-)SemiconductorStationary Hydrofluorocarbon Reduction MeasuresSupplemental Environmental Projects (SEP)Truck and Bus Regulation Truck Loan Assistance Program(-)Fact SheetInformationLegal DocumentNotice(-)ReportsTool 8 results found for Fact SheetOn-Board Diagnostics (OBD) Testing Devices Fact SheetVisible Emissions Evaluation (VEE) Training Fact SheetRegistration Assistance Fact SheetChanges to California's Commercial Vehicle Idling Regulation ReportsSAE J1667 Snap Acceleration Smoke Test Procedure for Heavy-Duty Powered Vehicles ReportsEmissions Impact of Generator Usage During PSPS Fact SheetStrategic Plan for Enforcement of Diesel Emissions Control Regulations ReportsSemiconductor Emissions Report Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood