WindSiemens Gamesa turbines on gigascale RWE wind farm off UK to fly recycled bladesSome 44 of 100 machines destined for developer's 1.4GW Sofia in North Sea to fly RecyclableBlades piloted by OEM on Kaskasi project off GermanyBolt-on of 81-metre-long recycled blades on a turbine at the Kaskasi project off German island of HelgiolandFoto: RWEDarius Snieckus