Energy Secretary Steven Chu at the 2012 ARPA-E Summit

At the 2012 ARPA-E Energy Innovation Summit, Energy Secretary Steven Chu discusses how President Obama's "all-of-the-above" approach to energy will help the Unites States solve 21st century global energy challenges and maintain its leadership as an exporter of energy technology.

Dr. Steven Chu, 12th U.S. Secretary of Energy