Welsh Device Huffs Tailpipe CO2 To Feed Biodiesel-Making Algae

The idea of a little box that can capture most of the carbon dioxide in a car's exhaust and hold it in an easily-extracted inert state sounds plenty appealing, and the Greenbox claims to do just that. Sure, there's a hint of cold-fusion-style nutcasery about it (coal-burning power plants have a helluva time grabbing… » 7/23/07 3:40pm 7/23/07 3:40pm