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In November 2017, New Orleans-based Q-LNG Transport LLC awarded a contract to VT Halter Marine, Pascagoula, Miss., to build a first-of-its-kind (in the U.S.) liquid natural gas (LNG) articulated tug/barge (ATB) unit.
Last week, the 4,000-cubic meter, 324’x64’x32’6″ liquid natural gas ATB barge Q-LNG 4000, was launched from the docks of VT Halter. The ATB also consists of the 128’x42’x21′ 5,100-hp tug, Q-Ocean Service.
“The Q-LNG 4000 is dedicated to delivering safe transit to all ships and ports...
https://www.workboat.com/news/shipbuilding/vt-halter-launches-lng-atb-barge/