Uzmar Shipyard in Istanbul, Turkey has launched a first-of-its-kind tractor tug for Turkish operator BOTAS.The vessel, named the Sultanhani, was launched on February 27 as the world’s first Voith propelled tractor tug with liquefied natural gas (LNG) dual fuel propulsion.<p><p>https://www.marinelink.com/news/uzmar-launches-firstofitskind-tractor-tug-513084</p></p>