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flag Engineers create world's largest rotor sail to cut shipping fuel use by 25%.

flag Engineers at China State Shipbuilding Corp have developed one of the world's largest rotor sail systems, a wind-assisted propulsion technology capable of generating significant thrust while cutting fuel use by up to 25%. flag This Flettner rotor system requires minimal ship modifications and is gaining traction as the shipping industry seeks to reduce its substantial carbon footprint and comply with global sustainability regulations.

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