Japan is both power-hungry and fossil-fuel reliant making for | Interesting Engineering

Japan is both power-hungry and fossil-fuel reliant making for a bad combination but that could all soon change. The nation has now successfully tested a system relying on the deep ocean that could provide a reliable steady form of renewable energy.

The invention comes from Japanese heavy machinery maker IHI Corp. The company has been developing a subsea turbine that harnesses the energy in deep ocean currents for over ten years.
The giant sea turbine called Kairyu looks like a 330-ton airplane. It features two counter-rotating turbine fans that are connected by a massive fuselage and it functions by floating while anchoring to the sea floor at a depth of 100 to 160 feet.

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