As the entry deadline of March 23rd approaches, the ACC Clean Energy Challenge is pleased to announce the participation of leading corporations and venture capital organizations. SAIC, Bechtel and Lockheed Martin, corporate leaders in the Clean Energy space, have agreed to serve as competition sponsors, generously providing additional prizes for competition finalists.  Also, Elan Management, a new $100M clean energy venture fund, has agreed to partner with the ACC Clean Energy Challenge, including judging the Southeast Regional Finals.