Transportation Air Quality Selected Facts and Figures

Federal Highway Administration2016PDFBriefUnited States. Federal Highway Administration. Office of Natural EnvironmentUnited States. Federal Highway Administration. Office of Natural EnvironmentUnited StatesAir quality managementTransportationEmissions reductionFHWA-HEP-16-019This brochure provides an overview of facts and figures regarding the linkages between transportation and air quality. The focus of this brochure is primarily on transportation-related emissions trends, policies, technologies, and standards that effect on-road mobile sources, including automobiles, light-duty trucks, and heavy-duty trucks.96