Check out this article. http://www.csmonitor.com/2006/0111/p01s03-sten.html This technology and clean diesels should put Saudi Arabia out of business in about 15 years.
Sounds promising. Are the algae "fed" anything besides emissions? Are any dangerous chemicals removed from either the bio-deisel and/or green flakes?
Slightly resurrecting this thread, but I had actually been up on the roof of MIT cogen and got a pic of the pilot rig in question just a couple of days before the original post. http://techno-fandom.org/~hobbit/pix/algae.jpg which doesn't capture the gentle bubbling effect up through the tubes. This is currently taking about 1% of the plant's total output, and would need a heckuvalot more land area to handle all of it... . _H*