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Inventors Chase Profits Cleaning Dirty Gas to Pump Dirtier OilAndre Boulet, chief executive officer of Inventys Thermal Technologies Inc. in Burnaby, British Columbia, holds up a 6-inch piece of charcoal, showing how light passes through toothpick-sized air shafts. He says the crevices in this filter offer a cheap way to capture carbon dioxide before it ascends into the atmosphere and haunts future generations.April 1, 2014