Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchVapor RecoveryEducational ResourcesVideos Keywords AgricultureAir PollutionClean CarsClimate ChangeCommunitiesEnforcementFreight & Goods MovementIncentivesResearch(-)Truck & BusZero-Emission TransportationAdvanced Clean FleetsAdvanced Clean TrucksAdvanced Technology Demonstration and Pilot ProjectsAgricultural & Prescribed BurningAgricultural BurningAir Toxics ProgramAlternative Diesel Fuels(-)Carl Moyer Memorial Air Quality Standards Attainment ProgramCarl Moyer Program: School BusChildren's HealthCommunity Air Protection Program Community HealthComposite Wood Products Airborne Toxic Control MeasureConsumer Products ProgramDescarbonización de edificiosDiesel EnforcementDiesel VehiclesDrayage Trucks at Seaports & RailyardsEmergency Backup GeneratorsEnvironmental Tobacco Smoke Identified as a Toxic Air ContaminantExposureFleet Rule for Public Agencies and UtilitiesGreenhouse Gas Standards for Medium- and Heavy-Duty Engines and VehiclesHVIP Public School Bus Set-Aside/Local Educational Agency School Bus Replacement GrantsIn-Use Off-Road Diesel-Fueled Fleets RegulationIncident Air MonitoringLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus Program(-)Mobile Source Emissions Research ProgramPeople at RiskPrescribed BurningPublic Safety Power Shutoff (PSPS) EventsReducing Rail Emissions in CaliforniaResearch PlanningResidential Woodsmoke ReductionRural School Bus Pilot ProjectSchool BusesStudy of Neighborhood Air near Petroleum SourcesTransport Refrigeration UnitTruck and Bus Regulation Truck and Bus Surveillance ProgramTruck Loan Assistance ProgramWildfiresZero-Emission Powertrain CertificationResearch 2 results found for ResearchNOx Emissions of In-Use Trucks ResearchMeasuring Real-World Heavy-Duty Truck Emissions Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood