In 2002, Amory Lovins gave this presentation to the U.S. House of Representatives Committee on Science. The presentation is focused on the the American automakers and the U.S. Department of Energy’s FreedomCAR Program. He presents options that create energy efficient cars and airplanes, mostly through the use of lighter materials. He also presents options for a transition to hydrogen automobiles. Lovins suggests revising the goals of the FreedomCAR Program to make it more effective.