The first concerns that come to mind in relation to pollution from road vehicles are direct emissions of carbon dioxide and toxic air pollutants. These are, of

Transportation, Energy Use and Environmental Impacts shows researchers, students and professionals the important connection between transportation planning, ene

All phases of road developmentâ€"from construction and use by vehicles to maintenanceâ€"affect physical and chemical soil conditions, water flow, and air

For most people in the United States, going almost anywhere begins with reaching for the car keys. This is true, Christopher Wells argues, because the United St