LAKEWOOD, Colo.–(BUSINESS WIRE)–Pioneer Energy, Inc., an oilfield technology company, today announced that it is supplying and deploying field gas conditioning equipment, including mechanical refrigeration units (MRUs) and auxiliary skids, for frac jobs utilizing field gas as part of Rolfson Oil’s Tri-Fueling™ approach. “The industry continues to look for practical ways to reduce frac fuel costs, and increased utilization of field gas presents an immediate pathway to accomplish this,” said Jo