Mitsui O.S.K. Lines, Ltd. announced that the company, along with ITOCHU Corporation (ITOCHU, President & COO: Keita Ishii; Headquarters: Minato-ku, Tokyo) acquired Approval in Principle (AIP) from the American Bureau of Shipping regarding an ammonia bunkering vessel. The project is part of a joint development study on ammonia fuel supply chain in Singapore (Note 1). .