Greenbox device captures car's carbon dioxide to make biodiesel

treehugger.com — Welsh biochemist and engineers have developed a device they believe can capture greenhouse gas emissions from vehicles, so they can be fed to algae, who in turn help produce a biodiesel. Capture rates is said to be up to 95% effective. The Greenbox device would get exchanged about once every full tank of fuel. Jul 20, 2007 View in Crawl 4