Shale gas drilling helps Pittsburgh airport reduce fees agai aspwv2013-10-10T00:00:00-04:00October 10th, 2013|Twitter| Shale gas drilling helps Pittsburgh airport reduce fees again http://t.co/5WWWOuOIlW via @TribLIVE Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail