This was so novel I just had to share it. As the price of oil rises and the prices of gas follows individuals will be looking at alternatives again. This using "scrap" lumber to fuel the truck.
http://www.cnn.com/video/data/2.0/video/us/2011/06/02/dnt.wood.powered.truck.cnn.html
Here is some other link on the same subject:
http://www.motherearthnews.com/Green-Transportation/Use-Wood-Gas-Generator-To-Power-Your-Truck.aspx
Thought this was a fun alternative for those that have access to "free" fuel. Judy