Book excerpt: Transportation, Energy Use and Environmental Impacts shows researchers, students and professionals the important connection between transportation planning, energy use and emissions. The book examines the major transportation activities, components, systems and subsystems by mode. It closely explores the resulting environmental impacts from transport planning, construction and the decommissioning of transportation systems. It discusses transportation planning procedures from an energy use standpoint, offering guidelines to make transportation more energy consumption efficient. Other sections cover propulsion and energy use systems, focusing on road transportation, railway, waterway, pipeline, air, air pollutants, greenhouse gas emissions, and more.