Energy Secretary Steven Chu testifies on Capitol Hill in Washington, Thursday, Nov. 17, 2011, before the House Oversight and Investigations subcommittee hearing on the Solyndra solar company loans. (AP Photo/Evan Vucci)

Photo by: Evan Vucci

Energy Secretary Steven Chu testifies on Capitol Hill in Washington, Thursday, Nov. 17, 2011, before the House Oversight and Investigations subcommittee hearing on the Solyndra solar company loans. (AP Photo/Evan Vucci)