Tallos de viento (Windstalk) una forma muy creativa de aprovechar la energía del viento

http://www.linkedin.com/news?viewArticle=&articleID=878732067&gid=1129157&type=member&item=77980469&articleURL=http%3A%2F%2Fwww%2Esmartinthegrid%2Ecom%2Fpost%2Fwindstalk-el-nuevo-concepto-que-elimina-las-palas-en-la-energia-eolica%2F&urlhash=CWJd&goback=%2Egde_1129157_member_77980469