Filed under: Misc. GadgetsAs we've seen already, algae is big business these days, and it now looks like the alternative source of fuel is getting another shot in the arm, with GreenFuel Technologies recently announcing a deal to build an "algae-to-fuel" plant in Europe. The company, as you may or may not know, is now headed (at least temporarily) by Ethernet pioneer Bob Metcalf, with its main claim to fame being a bioreactor that's designed to grow algae from the carbon dioxide emissions of power plants. While complete details are still pretty light at the moment, t