FILE - In this May 8, 2015, file photo, gas station attendant Carlos Macar pumps gas in Andover, Mass. Oil prices have plummeted over the last year, a result of high global supplies and weaker demand than expected. U.S. drivers are paying less than $2 a gallon on average for the first time since the Great Recession. (AP Photo/Elise Amendola, File)
FILE - In this May 8, 2015, file photo, gas station attendant Carlos Macar pumps gas in Andover, Mass. Oil prices have plummeted over the last year, a result of high global supplies and weaker demand than expected. U.S. drivers are paying less than $2 a gallon on average for the first time since the Great Recession. (AP Photo/Elise Amendola, File) Elise Amendola AP
FILE - In this May 8, 2015, file photo, gas station attendant Carlos Macar pumps gas in Andover, Mass. Oil prices have plummeted over the last year, a result of high global supplies and weaker demand than expected. U.S. drivers are paying less than $2 a gallon on average for the first time since the Great Recession. (AP Photo/Elise Amendola, File) Elise Amendola AP