Applied Materials (nasdaq: AMAT - news - people ), are working to improve another thin-film technology that is extremely cheap but so inefficient it can't yet match First Solar in cost per kwh.

FORBES: Storm Clouds

It doesn't help build confidence that First Solar insiders are getting out.

FORBES: Storm Clouds

Critically, First Solar executive vice-president T K Kallenbach insists the company will not have to share its cutting-edge PV technology with domestic competitors, as many Western renewables players seeking to enter the vast Chinese market have been forced to do .

FORBES: First Solar's Dangerous Game

Solar power is also having a moment in the sun as MIT unveiled the world's first solar cells printed on paper - we can't wait to see a post-it version that we can stick to our walls!

ENGADGET: Inhabitat's Week in Green: salad spinners, diapers, and solutions to the Deepwater catastrophe