Green Flight Challenge

Wayne Cook, Weights Chief, inspects the Pipistrel-USA, Taurus G4 as it rest on a scale built into the floor of the hanger during the 2011 Green Flight Challenge, sponsored by Google, at the Charles M. Schulz Sonoma County Airport in Santa Rosa, Calif. on Monday, Sept. 26, 2011. NASA and the Comparative Aircraft Flight Efficiency (CAFE) Foundation are having the challenge with the goal to advance technologies in fuel efficiency and reduced emissions with cleaner renewable fuels and electric aircraft. Photo Credit: (NASA/Bill Ingalls)

Wayne Cook, Weights Chief, inspects the Pipistrel-USA, Taurus G4 as it rest on a scale built into the floor of the hangar during the 2011 Green Flight Challenge, sponsored by Google, at the Charles M. Schulz Sonoma County Airport in Santa Rosa, Calif. on Monday, Sept. 26, 2011. NASA and the Comparative Aircraft Flight Efficiency (CAFE) Foundation are having the challenge with the goal to advance technologies in fuel efficiency and reduced emissions with cleaner renewable fuels and electric aircraft. Photo Credit: (NASA/Bill Ingalls)

Photographer NASA/Bill Ingalls
CaliforniaCharles M Schulz Sonoma County AirportGreen Flight ChallengeSanta RosaWayne Cook