[Paladin2]

"In the early 1980s, the MOTHER EARTH NEWS staff experimented with the wood gas concept to power a truck. They eventually produced a wood gasification system, fabricated from recycled water heaters, that was successful enough to warrant a wood gas generator plan to offer in the magazine."

http://www.motherearthnews.com/shopping/detail.aspx?itemnumber=762

[Iron Munro]

In the early 1980s, the MOTHER EARTH NEWS staff experimented with the wood gas concept to power a truck.

In WWII this technique was fairly common because of the difficulty in obtaining gasoline. How to build and operate these wood gas converter powered vehicles is just another skill that has been almost lost over the years. There is a lot of info on the net in addition to the Mother Earth article.

Here is one:

Wood Gas Generation

http://www.electricitybook.com/wood-gas/