Master Boat Builders has delivered for Seaside LNG/Polaris New Energy a sister for their previous ATB tug Polaris. Pusher will be mated with LNG barge Clean Everglades, delivered earlier by Fincantieri Bay Shipbuilding.
https://www.marinelog.com/inland-coastal/master-boat-builders-delivers-tug-tortuga-to-seaside-lng/
https://www.marinelog.com/news/fbs-christens-lng-bunkering-barge-clean-everglades/