“ c.n.g. Litres per 100 kilometres. This is the universal way of determining fuel usage.(Move into the 80,s) go with c.n.g or better yet liquid n.g.... (read full comment) ” 

Posted on June 23, 2008 at 12:39 PM EDT

“ CO2 Capture We should fill every tire on earth with CO2 Hey its a start. Clint Price ... (read full comment) ” 

Posted on March 19, 2007 at 11:02 AM EDT

“ ethanol This discussion should always lead to the hemp plant. Cellulose and bio diesel from the same plant. The jerusaelem (sic) artichoke is also... (read full comment) ” 

Posted on December 27, 2006 at 12:56 AM EST