MarcellusGas-212543808431329281 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| .@MackTrucksInc Expands #NaturalGas Offerings – http://t.co/mTVSpOwx #CNG #ShaleGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail