Nippon Yusen Kabushiki Kaisha (NYK Line; head office: Chiyoda-ku, Tokyo; president: Yasumi Kudo), Kawasaki Heavy Industries Ltd. (KHI; head office: Kobe-shi, Hyogo Prefecture; president: Satoshi Hasegawa), the Monohakobi Technology Institute (MTI; head office: Chiyoda-ku, Tokyo; president: Yutaka Yasunaga), and Nippon Kaiji Kyokai (ClassNK; head office: Chiyoda-ku, Tokyo; chairman and president: Noboru Ueda) are to begin in June shipboard tests to verify the effects of a jointly developed hybrid power supply system for vessels.