On their web site, these things look a little hobby-ish to me, the sort of things you might buy a few of to play with, maybe to make biodiesel for yourself if you were so inclined. Could you really enter into commercial-scale biodiesel production with them? You'd need a lot of them. And how well will their algae grow in different climates around the world? I understand those little green guys are pretty sensitive.

Inside Greentech, why don't you link to companies' web sites from your articles?