Bodewes Binnenvaart B.V., the inland waterway shipyard of the Dutch company Damen Shipyards Group and the Qa Group, said they have developed a self-propelled barge that would be powered by liquefied natural gas and use an air-lubricated hull to reduce fuel consumption and pollution. The companies said permission to use LNG as fuel on this vessel was granted by the Central Commission for the Navigation of the Rhine and the United Nations Economic Commission for Europe (ADN-UNEC...