Like many of us these days, inventor Ky Michaelson of Bloomington, MN is fed up with the soaring cost gasoline. So he did something about it; he swapped the gas-powered engine of his motorcycle with a 14-gallon beer keg. A heating coil heats the brew to a temperature of about 300 degrees, superheating it into steam to drive the vehicle. Michaelson claims his new power source allows the bike to ...