Mitsui O.S.K. Lines Expands Green Fleet with Five Dual-Fueled Capesize Bulkers Environmental Maritime News Feed by Editor - 19 December 202319 December 2023 Mitsui O.S.K. Lines, Ltd. (MOL) has recently unveiled plans to enlarge its fleet by adding five Newbuilding Dual-fueled Capesize bulkers. These vessels are designed to