TRB Special Report 307: Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation examines the potential for policies to yield major changes in transportation energy use and emissions trends by policy measures targeting cars and light trucks, medium and heavy trucks, and commercial airliners. These three modes are by far the largest users of energy by U.S. transportation because they account for the vast majority of passenger trips and freight. Accordin...

TRB Special Report 299: A Transportation Research Program for Mitigating and Adapting to Climate Change and Conserving Energy suggests that federal, state, and local policy makers need informed guidance about the effectiveness, costs, feasibility, and acceptability of transportation strategies to mitigate transportation greenhouse gas emissions and conserve energy and to adapt to climate change. The report covers strategies affecting travel and mode choice, models and decision tools, infrastr...

TRB Special Report 298: Driving and the Built Environment:  Effects of Compact Development on Motorized Travel, Energy Use, and CO2 Emissions examines the relationship between land development patterns and vehicle miles traveled (VMT) in the United States to assess whether petroleum use, and by extension greenhouse gas (GHG) emissions, could be reduced by changes in the design of development patterns.  The report estimates the contributions that changes in residential and mixed-use ...

TRB Special Report 290: The Potential Impacts of Climate Change on U.S. Transportation explores the consequences of climate change for U.S. transportation infrastructure and operations. The report provides an overview of the scientific consensus on the current and future climate changes of particular relevance to U.S. transportation, including the limits of present scientific understanding as to their precise timing, magnitude, and geographic location; identifies potential impacts on U.S. tr...