NEW YORK--(BUSINESS WIRE)--PIRA Energy Group, a leader in global energy market analysis, announced today the official release of its latest industry study, “The Global Impact of NGL Supply Growth: PIRA’s Comprehensive Outlook to 2035.” With the North American shale revolution has come a surge in NGL production. Over the last 10 years, production has grown by nearly 75%, such that United States production is now equivalent to the next four largest producers combined. Substantial growth in ethane