http://www.helium.com/knowledge/115568-alternative-fuel-speeding-up-production-on-cleaner-and-cheaper-automobiles.xml Helium.com > Selling Cars > Alternative fuel: Speeding up production on cleaner and cheaper automobiles en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT