Aiming For 'Wild and Crazy' Energy Ideas

The Advanced Research Projects Agency-Energy, or ARPA-E, backs energy technologies that are too risky for investors, but offer a potentially huge payoff ? if they work. The agency has gambled on flywheels, compressed air energy storage, lithium-air batteries, even wind-energy kites.

Source: http://www.npr.org/2013/06/28/196594974/aiming-for-wild-and-crazy-energy-ideas?ft=1&f=1007

Crossword Puzzles Dancing Darts Diecast Collectibles Digital Photography