http://engineeringtv.com/blogs/etv/archive/2008/02/07/entrants-in-the-automotive-x-prize.aspxThe key to designing and building a car that will get 100 miles per gallon is a light and efficient powertrain. Ingo Valentine is an independent designer with a unique plan for winning the ten million dollar Automotive X-Prize. Have a story suggestionenCommunityServer 2007.1 (Debug Build: 20917.1142)http://engineeringtv.com/blogs/etv/archive/2008/02/07/entrants-in-the-automotive-x-prize.aspx#29140Sun, 10 Feb 2008 15:19:03 GMT47e16688-3829-4dd3-b275-52b24bfef241:29140ekistnerjr@aol.com<p>because of the light weight of Mr. Valetine`s powertrain what is the estimated mileage durability .</p> <img src="http://engineeringtv.com/aggbug.aspx?PostID=29140" width="1" height="1">