Energy Secretary Steven Chu, right, and Commerce Secretary Gary Locke leave the stage after a clean energy and climate change discussion with business leaders, Wednesday, Oct. 7, 2009, in the Eisenhower Executive Office Building across from the White House in Washington. AP Photo logo AP Photo 28 months ago

Energy Secretary Steven Chu, right, and Commerce Secretary Gary Locke leave the stage after a clean energy and climate change discussion with business leaders, Wednesday, Oct. 7, 2009, in the Eisenhower Executive Office Building across from the White House in Washington.