Marathon Petroleum To Purchase Hess Gas Stations [Getty Images]

CHICAGO, IL - MAY 22: A sign marks the location of a Marathon gas station on May 22, 2014 in Chicago, Illinois. Marathon Petroleum Corp. has agreed to purchase Hess gasoline stations for $2.6 billion. The acquisition will expand Marathon Petroleums retail presence from nine to 23 states. (Photo by Scott Olson/Getty Images)

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