Japan's NS United has revealed an order for a new coastal limestone carrier powered by LNG and batteries.

The 5,560-dwt vessel will be owned by the company's domestic subsidiary Naiko Kaiun Kaisha and built at Tsuneishi Shipbuilding.

NS United has partnered with charterers Nippon Steel Corp and Nippon Steel Cement, Japan Petroleum Exploration, which is providing the fuel, and engine maker Kawasaki Heavy Industries for the project.