Green power start-up are winning the favor of investors lately. They promise a shorter quicker path to profitability than some more traditional industries. Solar power focused start-ups are the winner in the new green eco-investor stakes with biofuels, wind, and smart grid related businesses fighting for attention and money.
A company I posted about a while back "Solyndra" filed an IPO in December of '09. They make cylindrical solar panels which are cleverly designed and if things go well with investors they could be a major player in the green energy sector of the market.
Read about investors going gaga over clean green technology at the Wall Street Journal.