The gasifier sits on the back of a 1913 Model-T Ford and powers the engine. Once the gasifier gets up to temperature, Nixon flips a switch and wood gas is pumped into the engine. The old car doesn ...

In “ Wood Gas Truck: Road Power From Wood Gasification,” we detailed how to make a wood gasifier small enough to power a car or pickup for about $125 in parts and materials.

The gasifier uses heat to extract hydrogen and other gases from wood or biomass. The technology is not new. Gasifiers date back as far as 1910. Bill, along with his son Guy Nixon and son-in-law ...