It doesn't emit carbon dioxide during operation, and produces less odor, noise and vibration than traditional boats powered by gasoline engines. The Mahoroba was built in Onomichi, Hiroshima Prefecture, and a launching ceremony was held in May. It was then towed by another ship to Osaka in mid-October. The operation of the vessel will be entrusted to Osaka Aqua Bus ltd., a wholly owned subsidiary of Keihan Holdings Co.