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2. Electric boat - Wikipedia

   en.wikipedia.org/wiki/Electric_boat

   An LNG-powered supply vessel started operation in 2016 with a 653 kWh/1600 kW battery acting as spinning reserve during dynamic positioning, saving 15-30% fuel. [40] Solar powered: A boat propelled by direct solar energy is a marine solar vehicle. The available sunlight is almost always converted to electricity by solar cells, temporarily ...

3. Rotor ship - Wikipedia

   en.wikipedia.org/wiki/Rotor_ship

   In a hybrid rotor ship the propeller is the primary source of propulsion, while the rotor serves to offload it and thus increase overall fuel economy. [4] Rotor sails have been reported to generate 5-20% fuel savings. [5]

4. Hydra (boat) - Wikipedia

   en.wikipedia.org/wiki/Hydra_(boat)

   The boat transported around 2,000 passengers in 1999/2000 [2] and was used as a ferry-boat in Ghent, Belgium during an electric boat conference in 2000. It was fully certified by the Germanischer Lloyd [3] for passenger transport, and the fuel cell system had the ability to start even at temperatures below freezing point. The boat was withdrawn ...

5. Hydrogen-powered ship - Wikipedia

   en.wikipedia.org/wiki/Hydrogen-powered_ship

   A hydrogen ship is a hydrogen fueled ship, using an electric motor that gets its electricity from a fuel cell, or hydrogen fuel in an internal combustion engine. A hydrogen-powered ship is a vessel that uses hydrogen as its primary source of energy, typically through fuel cells or hydrogen combustion engines, to achieve propulsion. These ships ...

6. Duke ‘water battery,’ at the edge of a SC lake, can power a ...

   www.aol.com/news/duke-water-battery-edge-sc...

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7. Marine propulsion - Wikipedia

   en.wikipedia.org/wiki/Marine_propulsion

   Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats , most modern ships are propelled by mechanical systems consisting of an electric motor or internal combustion engine driving a propeller , or less frequently, in pump-jets , an ...

8. Kochi Water Metro - Wikipedia

   en.wikipedia.org/wiki/Kochi_Water_Metro

   It is the first water metro system in India and the first integrated water transport system of this size in Asia. When fully operational, it will connect Kochi ’s 10 island communities with the mainland through a fleet of 78 battery-operated electric hybrid boats operating along 38 terminals and 16 routes spanning 76 kilometres. [ 2 ]

9. Magnetohydrodynamic drive - Wikipedia

   en.wikipedia.org/wiki/Magnetohydrodynamic_drive

   Yamato 1 on display in Kobe, Japan.The first working full-scale MHD ship. A magnetohydrodynamic drive or MHD accelerator is a method for propelling vehicles using only electric and magnetic fields with no moving parts, accelerating an electrically conductive propellant (liquid or gas) with magnetohydrodynamics.