Energy conversion

Solar Impulse
Jun 23, 2011 - 4:30 AM
The world debut of solar-powered Solar Impulse airplane could hardly have happened in less auspicious weather conditions.
Apr 26, 2011 - 12:40 PM
As part of its €1.6 billion ($2.2 billion) Clean Sky joint technology initiative, Europe is undertaking a number of projects toward the development of more
Mar 7, 2011 - 3:50 AM
Eurocopter might exhibit a hybrid helicopter, using both piston engines and electric motors like a hybrid car, by Heli-Expo 2020.
Dec 29, 2010 - 3:34 AM
The owner and operator of Shelby Enterprises of Suffern, N.Y.