A high-tech version of the traditional sailing ship is the latest bid to halt climate change.
Two German companies have teamed up to create a kite system that uses wind power to pull enormous ships.
The 132-metre ship MV Beluga SkySails will make her maiden voyage across the Atlantic next month, pulled by a giant computer-guided kite tethered to a 15-metre high mast.
The kite flies up to 300 metres high to harness powerful prevailing winds and tug the 10,000-tonne ship forward, helping its diesel engine cut fuel consumption by 20 per cent.
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