TSUNEISHI GROUP (ZHOUSHAN) SHIPBUILDING INC. (TZS) delivered its fourth methanol dual-fuelled 5,900 TEU container carrier on 25 Aug 2026, marking another milestone in the Japanese shipbuilder's series of low-emission newbuilds. The vessel is designed to run on methanol as an alternative to conventional marine fuel, part of a broader push by Tsuneishi Shipbuilding Co., Ltd. and its Zhoushan-based subsidiary to expand production of dual-fuel ships capable of