Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor RecoveryEducational ResourcesVideos Keywords Airborne ToxicsAir PollutionAir Quality Monitoring(-)Air Quality PlansBiking & WalkingClean CarsClimate ChangeCommunitiesConsumer ProductsEnvironmental JusticeFreight & Goods MovementHealthIndoor Air Quality & ExposureOn-Road Heavy-Duty VehiclesResearchSimple Solutions to Improve Air QualitySmokeSustainable Communities(-)Truck & BusAdvanced Clean Cars ProgramAdvanced Clean FleetsAdvanced Clean TrucksAdvanced Technology Demonstration and Pilot ProjectsAlternative Diesel FuelsCalifornia State Implementation PlansCarl Moyer Memorial Air Quality Standards Attainment ProgramCarl Moyer Program: School BusCommunity Air Protection IncentivesCommunity Air Protection Program Community HealthDiesel EnforcementDiesel VehiclesDrayage Trucks at Seaports & RailyardsExposureFleet Rule for Public Agencies and UtilitiesGreenhouse Gas Standards for Medium- and Heavy-Duty Engines and VehiclesIn-Use Off-Road Diesel-Fueled Fleets RegulationLow Carbon Transportation Investments and Air Quality Improvement ProgramLower-Emission School Bus Program(-)Mobile Source Emissions Research ProgramOutdoor Air Quality Standards(-)People at RiskReducing Rail Emissions in CaliforniaResearch PlanningSchool BusesState and Federal Area DesignationsStudy of Neighborhood Air near Petroleum SourcesSustainable Communities & Climate Protection ProgramTransport Refrigeration UnitTruck and Bus Regulation Truck and Bus Surveillance ProgramTruck Loan Assistance ProgramZero-Emission Powertrain CertificationInformationResearch 3 results found for ResearchNOx Emissions of In-Use Trucks ResearchMeasuring Real-World Heavy-Duty Truck Emissions InformationAir Quality Standards Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood