Goodbye fossil fuel dependence, hello rare earth dependence: <a href="http://www.treehugger.com/files/2009/06/goodbye-fossil-fuel-dependence-hello-rare-earth-dependence.php" rel="nofollow" target="_blank">http://www.treehugger.com/files/2009/06/goodbye-fossil-fuel-dependence-hello-rare-earth-dependence.php</a>