Tour Of Irving Oil Ltd. Refinery And Departing Chief Executive Officer Paul Brown Interview

Paul Browning, former chief executive officer of Irving Oil Ltd., smiles during a tour of the company's refinery in Saint John, New Brunswick, Canada, on Tuesday, Aug. 5, 2014. Browning has left Irving Oil Ltd., owner of Canada's largest refinery, 16 months after taking over as chief executive officer. Irving Oil, the Saint John, New Brunswick-based company owned by billionaire Arthur Irving and his family, produces more than 300,000 barrels a day of petroleum products including gasoline and diesel at its Saint John refinery on Canada's Atlantic Coast and distributes more than half of the fuels into the U.S. Northeast, according to its website. Photographer: Aaron McKenzie Fraser/Bloomberg via Getty Images