Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchVapor RecoveryEducational ResourcesVideos Keywords California is Going Zero EmissionsClean CarsClimate ChangeIndustry & ManufacturingOn-Road Heavy-Duty VehiclesZero-Emission TransportationAir Toxics ProgramCommunity Air Protection Program Consumer Products ProgramExposureResidential Woodsmoke ReductionResearch No results found. Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood