Houston-based GTT North America (GTT NA), U.S. subsidiary of French engineering and technology company GTT (Gaztransport & Technigaz SA), has received an Approval in Principle from DNV GL for the design of a 2,200 cubic meter liquefied natural gas (LNG) bunker barge. The distinctive design incorporates GTT’s proven membrane Cargo Containment System (CCS), which is utilized in roughly 70% of the global LNG carrier fleet and nearly 90% of LNG carrier projects on order. “This Approval in Principle from DNV GL…