Reuters: The world’s first commercial merchant ship pulled by a giant high-tech kite aiding its engines to slash fuel consumption and cut greenhouse gas emissions was launched in Hamburg on Saturday. The pioneering 132-metre long MV “Beluga SkySails” was ceremonially launched in the northern German port ahead of its maiden voyage across the Atlantic to Venezuela in early January. Pulled by a huge kite to catch strong winds up to 300 metres above the surface, the 500,000-euro …