Marine propulsion device with flexible conduit in lower unit
ASSEMBLY FOR PROVIDING ELECTRIC POWER TO A MARINE PROPULSION SYSTEM
HYDROGEN FUEL CELL-POWERED RIM-DRIVEN THRUSTER AND ITS CONTROL METHOD
CONTROL SYSTEM FOR CONTROLLING A PLURALITY OF MARINE VESSELS
Solar-powered green truck roll-on-roll-off ship and design method
SHIP INCLUDING PLURALITY OF FUEL CELL MODUEL AND METHOD OF CONTROLLING THE SAME