Giant oil tanks of the BP refinery are pictured under a blue sky in Gelsenkirchen, Germany, Wednesday, Jan. 7, 2015 as oil prices are still low. (AP Photo/Martin Meissner)
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Giant oil tanks of the BP refinery are pictured under a blue sky in Gelsenkirchen, Germany, Wednesday, Jan. 7, 2015 as oil prices are still low. (AP Photo/Martin Meissner)
