Other green energy names that I've given the big thumbs-down include PetroAlgae, which, despite its new partnership with Foster Wheeler (Nasdaq: FWLT), can't possibly warrant a market capitalization of $2.4 billion, and JBI Inc., which is promoting a waste plastic-to-oil process that "produces oil at less than $10 per barrel." Now why didn't Chevron (NYSE: CVX) think of that?