Japanese shipping group NYK has carried out its first ship-to-ship (STS) transfer of liquefied ammonia, moving around 23,000 metric tonnes from one carrier to another off the coast of Ceuta in Spain.The transfer, conducted on September 2, involved the NYK-owned ammonia carrier Berlian Ekuator, time-chartered by Mitsui & Co., and the Eco Enchanted, operated by U.S.-based ammonia trader Trammo. NYK said the transfer was completed under strict safety protocols.While the company has experience in STS transfers of crude oilā¦