Marcellus Shale helping boost U.S. natural gas production to aspwv2014-12-15T00:00:00-05:00December 15th, 2014|Twitter| Marcellus Shale helping boost U.S. natural gas production to a record for a fourth year. http://t.co/6QaqGCpgPk via @BloombergNews Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail