As the price of fuel continues to rise, this site continues to be as timely as when it first came online in October 1999. The site is maintained by the U.S. Department of Energy's Office of Energy Efficiency and...

Two strategies for increasing the efficiency of an automobile are 1) to change the engine or fuel technology used or 2) decrease the weight of the vehicle by decreasing its size or the materials used to make it. These...

This Web page and the related pages linked on the left sidebar provide an abundance of information on controlling emissions from passenger cars and light trucks. This includes consumer information, vehicle standards and...