September 26, 2006Entrepreneur sees sports car prototype as fulfilling the need for speed and environmental responsibility, too. Photos: Speedy and sporty
Video: A spin in Wrightspeed X1TAGS:engine, car, efficiency, battery, video
August 14, 2007NASA contest tests the efficiency and economy of experimental small-seat airplanes for use as a personal aircraft vehicle.Photos: Commuters in the skyTAGS:airport, aircraft, efficiency, plane, sky, mile, car, challenge, idea