On Wed, 01 Sep 2010 07:19:28 -0500, The Daring Dufas wrote:
But if you had them now could you afford to put petrol in them?

You can run them on wood gas or alcohol.

Building a wood gasifier's on the to-do list - for stationary use though,
not to try to run a vehicle. I've got no shortage of trees around here.
More of an interesting project than to fill any real need :-)

cheers

Jules