Pittsburgh towboat to be “the first inland waterway conversi aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| Pittsburgh towboat to be “the first inland waterway conversion” to clean-burning natural gas. https://t.co/BN6cTPP0ww via @PittsburghPG Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail