Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor RecoveryEducational ResourcesVideos Keywords AgricultureAir PollutionAir Quality MonitoringCalifornia is Going Zero EmissionsClean CarsConsumer Products(-)EnforcementHealthIncentivesIndoor Air Quality & ExposureSimple Solutions to Improve Air QualitySmokeTruck & BusZero-Emission TransportationAir Quality TrainingCalifornia Racing VehiclesCargo Tank Vapor RecoveryCommunity Outreach and EnforcementDiesel EnforcementDiesel VehiclesEmergency Backup GeneratorsEnforcement of Clean Truck Check HD I/M RegulationEnforcement Policy & ReportsEquipment and Process Precertification Program (Stationary Sources Only)(-)Portable Equipment Registration Program (PERP)Public Safety Power Shutoff (PSPS) EventsTruck and Bus Regulation Truck Loan Assistance Program(-)Fact SheetFormularioInformación(-)AvisoInformes 2 results found for NoticePERP- Public Notification & Outreach Fact SheetProgram Information & FAQs Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood