Sometimes you can’t make it up any weirder than it actually is. That definitely was the case on June 14, when a pair of environmental pranksters managed to promote themselves as keynote speakers at the Gas and Oil Exposition – aka GO-EXPO 2007 – in Calgary. Masquerading as officials from ExxonMobil and the U.S. National Petroleum Council, the two appeared before an oil industry audience and the buzz was that they would deliver long-awaited conclusions of a study commissioned by U.S. Energy Secretary Samuel Bodman. They actually offered something a bit more revolutionary: a new fuel called Vivoleum, to be...