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Sunoco gas prices are displayed on a pump at a Stripes convenience store in Corpus Christi, Texas, U.S., on Thursday, Jan. 7, 2016. Crude oil slid Thursday to the lowest level since December 2003 as turbulence in China, the worlds biggest energy consumer, prompted concerns about the strength of demand. Photographer: Eddie Seal/Bloomberg via Getty Images

Sunoco gas prices are displayed on a pump at a Stripes convenience store in Corpus Christi, Texas, U.S., on Thursday, Jan. 7, 2016. Crude oil slid Thursday to the lowest level since December 2003 as turbulence in China, the worlds biggest energy consumer, prompted concerns about the strength of demand. Photographer: Eddie Seal/Bloomberg via Getty Images