Is it a ship pulling a kite?? Nope - it’s a giant kite towing a cargo ship!! And it helps to save engine power and fuel.
The company behind the kite, SkySails, based in Hamburg, Germany, claims that freight ships, and even cruise liners, could reduce fuel consumption by up to 50% under optimal conditions:
Read in full - 'Ship kites in to port'
The cargo ship MS Beluga SkySails sailed into the port of Guanta, Venezuela, completing its 2-week long maiden voyage from Germany, and the successful testing of the giant kite system. It is the first commercial vessel to use the SkySails kite system.