MarcellusGas-217988403021615104 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Columbia, Mo. studying compressed #NaturalGas powered vehicles, via @columbiatribune http://t.co/mmx96IAk #CNG #ShaleGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail