RT @phillydotcom: New PGW cars driven by natural gas http:/ aspwv2014-06-19T00:00:00-04:00June 19th, 2014|Twitter| RT @phillydotcom: New PGW cars driven by natural gas http://t.co/FtwetdSvzF Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail