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WASHINGTON, DC - NOVEMBER 17: Energy Secretary Steven Chu testifies before the House Energy and Commerce Committee's Oversight and Investigations Subcommittee about the government support for the failed solar panel company Solyndra on Capitol Hill November 17, 2011 in Washington, DC. ...

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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 5 months ago

U.S. Secretary of Energy Steven Chu, right, listens to a delegate's speech as he attends the 4th Carbon Sequestration Leadership Forum (CSLF) Ministerial Conference in Beijing, China, Thursday, Sept. 22, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu delivers a keynotes address during the 4th Carbon Sequestration Leadership Forum (CSLF) Ministerial Conference held in Beijing, China, Thursday, Sept. 22, 2011.

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U.S. Secretary of Energy Steven Chu, left, and China's Science and Technology Minister Wan Gang attend the 4th Carbon Sequestration Leadership Forum (CSLF) Ministerial Conference in Beijing, China, Thursday, Sept. 22, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, left, is greeted by Wan Gang, China's Minister of Science and Technology, as they attend the 4th Carbon Sequestration Leadership Forum (CSLF) Ministerial Conference held in Beijing, China, Thursday, Sept. 22, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, left, China's Minister of Science and Technology Wan Gang listen to a speech by a delegate during the 4th Carbon Sequestration Leadership Forum (CSLF) Ministerial Conference in Beijing, China, Thursday, Sept. 22, 2011.

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BEIJING, CHINA - SEPTEMBER 21: U.S. Secretary of energy Steven Chu (C), meets with Chinese Vice Premier Li Keqiang (R) watched by U.S. Ambassador to China Gary Locke (L) as they arrive at the Zhongnanhai on September 21, 2011 in Beijing, China.

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BEIJING, CHINA - SEPTEMBER 21: U.S. Secretary of energy Steven Chu (L), is shown the way by Chinese Vice Premier Li Keqiang (R) as he visits the Zhongnanhai on September 21, 2011 in Beijing, China.

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BEIJING, CHINA - SEPTEMBER 21: U.S. Secretary of energy Steven Chu (L), meets with Chinese Vice Premier Li Keqiang (R) as he visits the Zhongnanhai on September 21, 2011 in Beijing, China.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (C) chats with U.S. Ambassador to China Gary Locke as they arrive for a meeting with Chinese Vice Premier Li Keqiang at the Zhongnanhai in Beijing, China September 21, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (C) chats with Chinese Vice Premier Li Keqiang during a meeting at the Zhongnanhai in Beijing, China September 21, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (C) chats with U.S. Ambassador to China Gary Locke as Chinese Vice Premier Li Keqiang (R), looks on during a meeting at the Zhongnanhai in Beijing, China September 21, 2011.

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U.S. Secretary of Energy Steven Chu, left, chats with Chinese Vice Premier Li Keqiang during a meeting at the Zhongnanhai leadership compound in Beijing, China, Wednesday, Sept. 21, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, center, chats with Chinese Vice Premier Li Keqiang, right, as U.S. Ambassador to China Gary Locke, left, looks on during a meeting at the Zhongnanhai leadership compound in Beijing, China, Wednesday, Sept. 21, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, left, walks with U.S. Ambassador to China Gary Locke as they arrive to meet with Chinese Vice Premier Li Keqiang at the Zhongnanhai leadership compound in Beijing, China, Wednesday, Sept. 21, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (L) is greeted by Chinese Vice Premier Li Keqiang upon arrival at the Zhongnanhai in Beijing, China September 21, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, center, is led the way by Chinese Vice Premier Li Keqiang, right, at the Zhongnanhai leadership compound in Beijing, China, Wednesday, Sept. 21, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (C) is greeted by Chinese Vice Premier Li Keqiang (R), as U.S. Ambassador to China Gary Locke looks on upon arrival at the Zhongnanhai in Beijing, China September 21, 2011.

AP Photo 5 months ago

U.S. Secretary of Energy Steven Chu, center, is greeted by Chinese Vice Premier Li Keqiang, right, as U.S. Ambassador to China Gary Locke, left, looks on at the Zhongnanhai leaders compound in Beijing, China, Wednesday, Sept. 21, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu briefs the media during during the 55th International Atomic Energy Agency (IAEA) General Conference in Vienna September 20, 2011.

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu (L) and U.S. ambassador to the International Atomic Energy Agency (IAEA) Glyn Davies attend a media-briefing during the media during the 55th International Atomic Energy Agency (IAEA) General Conference in Vienna September 20, 2011.

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U.S. Energy Secretary Steven Chu speaks during a news conference at the general conference of the International Atomic Energy Agency, IAEA, at the International Center in Vienna, Austria, Tuesday, Sept 20, 2011.

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US Secretary of Energy Steven Chu speaks during the 55th International Atomic Energy Agency (IAEA) General conference at the IAEA headquarters in Vienna on September 19, 2011. Talks open in Vienna Monday focusing on a new nuclear security plan following the disaster at Japan's Fukushima...

Reuters Pictures 5 months ago

U.S. Secretary of Energy Steven Chu makes a speech during the 55th International Atomic Energy Agency (IAEA) General Conference at the UN headquarters in Vienna September 19, 2011.