[DiogenesLamp]

If natural gas wouldn't be practical in your situation, woodgas might be another alternative. There are lots of websites with instructions on how to modify a vehicle to run on wood or charcoal.

Also, while it's not practical on a large scale, ethanol can work on a small, home-scale, being that it's just fancy moonshine.

I agree. I actually looked at wood gas, and it is possible to use it. The only down side is that it takes a bit of constant attention, and it produces a lot of tar that won't do your engine any good.

There are some pretty good sites online that have plans for making some pretty good wood gas generators. (Like you said.)

[thackney]

The only down side is that it takes a bit of constant attention, and it produces a lot of tar that won't do your engine any good.

Another very significant downside users should be aware of: The main combustion gas produced is carbon monoxide. Leaks in the system can be very dangerous to the user if inside a garage or other closed building.