The solar sector in the U.S. did very well in 2011, installing nearly twice as much capacity as the previous year — a record. And the industry still expects to have an even better 2012.

The state visit by Chinese VP Xi Jengpeng highlights U.S.-China cooperation — but behind the scenes, China plays hardball.

Solar stocks have been plunging of late and the world's biggest solar market is tapping the brakes on sun power. Looks like a cloudy forecast ahead.

See what I did there?

A major government incentive for solar power expired this week, but now bigger companies may benefit from a tax break.

We got big numbers today from the U.S. Labor Department. In February, U.S. payrolls increased 192,000 and the jobless rate fell to 8.9 percent –…

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