Muy interesante este artículo sobre los posibles usos o formas de reciclar las palas de los aerogeneradores antiguos: desde incorporarlos a parques infantiles hasta crear baldosas o barreras viales

http://www.windpowerengineering.com/design/mechanical/blades/reaching-retirement-recycling-ageing-turbine-blades/

There's a natural drive in industry to develop bigger and better equipment, and the wind industry is no different. Even the government through the U.S. Department of Energy is funding of research for larger wind-turbine blades (over 60 meters) that can work on larger turbines to capture more energy.