Delta Air Lines (DAL) officially begins operating its refinery in Pennsylvania as it becomes the...

|About: Delta Air Lines, Inc. (DAL)|By:, SA News Editor

Delta Air Lines (DAL) officially begins operating its refinery in Pennsylvania as it becomes the test case to see if a carrier can cut out the middle man in order to lower fuel costs. Subsidiary Monroe Energy starts maintenance on the plant over the next few weeks, with a goal to launch fuel production in the fall.