Four Japanese companies jointly announced May 31 the launch of tests for what's described as the world's first solar-diesel hybrid power ship. The companies -Nippon Yusen Kabushiki Kaisha (NYK Line), Kawasaki Heavy Industries (KHI), Monohakobi Technology Institute (MTI) and Nippon Kaiji Kyokai (ClassNK) -announced that ship-board tests begin this month on the novel hybrid-power system.
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