This is cool news on the eco-front, but there is something missing behind all this hype... Answers (the real details). What other schools/people want to know: how much did the system cost, what is the return, and how long would it pay for itself?
I wish when articles like this are written, that more detailed information was either provided, or linked to - to make it easier for others to determine whether this is feasible for them - and to forward the technology. The TreeHugger article is here.