MarcellusGas-279585143927222272 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| RT @KPBSnews: San Diego’s transit system decides to buy 500 new natural gas buses. http://t.co/LBvAnpZk Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail