Planes of the future will have unconventional shapes

Charles Bolden, administrator of NASA, speaks at the Green Aviation Summit in Mountain View, Calif., outlining NASA's ongoing contribution to environmentally friendly aviation advances. Bolden focuses on the need for continued innovation, including different-looking planes, and describes a recent success story, the Chevron Nozzle, which is used in Boeing 787 and 747-8 planes and decreases noise pollution while improving fuel efficiency.

This post was originally published on Smartplanet.com