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Fuel prices sit illuminated on a sign as an automobile stands beside petrol pumps on the forecourt of a gas station operated by Total SA, at night in Luc-La-Primaube near Rodez, France, on Saturday, Dec. 12, 2015. Oil extended declines from the lowest price since February 2009 as Iran pledged to boost crude exports, bolstering speculation OPEC members will exacerbate the global oversupply. Photographer: Balint Porneczi/Bloomberg via Getty Images

Fuel prices sit illuminated on a sign as an automobile stands beside petrol pumps on the forecourt of a gas station operated by Total SA, at night in Luc-La-Primaube near Rodez, France, on Saturday, Dec. 12, 2015. Oil extended declines from the lowest price since February 2009 as Iran pledged to boost crude exports, bolstering speculation OPEC members will exacerbate the global oversupply. Photographer: Balint Porneczi/Bloomberg via Getty Images