A Minnesota senator has introduced a bill aimed at repealing a prohibition on eating certain beavers in the state.
the Beaver XR7 runs on wood (or any other organic material) through a process called gasification. The wood is pressed into pellets to increase energy density, resulting in a longer burn.
It runs on gases created by wood pellets fermented ... avoid patronizing big oil, if that's your thing. The only drawback that we can see to the Mercury Beaver XR-7 is the PVC pipe jungle ...