By Kerry A. Dolan, Forbes Staff
Five years ago, the promise of getting superrich from clean tech was in the air. Startup biofuels companies were getting funded at a rapid pace, new solar companies were growing like weeds and the economy was humming. Flash forward to today and most of the solar billionaires that were created in that short boom – primarily at a small number of Chinese companies — are no longer billionaires. Many solar stocks have crashed, taking their founders’ net worth south along with them.
From: http://www.forbes.com/sites/kerryadolan/2013/04/21/worlds-greenest-billionaires-2013/
