** FILE ** In this August 2012 file photo, a driver in Kalamazoo, Mich., pumps gas near a sign showing a gallon of regular costing $4.09. (Associated Press)

** FILE ** In this August 2012 file photo, a driver in Kalamazoo, Mich., pumps gas near a sign showing a gallon of regular costing $4.09. (Associated Press)