MarcellusGas-271601784005476353 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Via @PittsburghPG: @PGHtransit looks at #CNG conversion http://t.co/RtGsL0eg #NatGas #Marcellus #ShaleGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail