Got this in an email from Gearhog. For under a hundred bucks it seems like a good idea. The link is to the outfit that's selling the thing. What say you all, is this worthwhile or is it snake oil? MOTOR SNORKEL TRI-FUEL (Natural Gas, Propane, and Gasoline) Conversion Kit I don't know if posting this is in violation of board rules, if it is, mods please just delete this.