The 2007 Urban Mobility Report (PDF), published by the Texas Transportation Institute, summarizes the impact of traffic congestion in major metropolitan areas throughout the United States. (September 2007)


Light-Duty Automotive Technology and Fuel Economy Trends: 1975 through 2007 is a report prepared by the U.S. Environmental Protection Agency, summarizing two decades of fuel efficiency data for pickup trucks, vans, and sports utility vehicles. (September 2007)