http://www.youtube.com/watch?v=jyBmnp_wDN4&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=jyBmnp_wDN4&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=02tGxBS18_k&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=OiHRDDA_iTo&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=UVW0xy9CZ2E&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=0BuYysXReRg&feature=youtube_gdat

Credit: mrenergyczar
http://www.youtube.com/watch?v=WzLWFIwM1k8&feature=youtube_gdat

Credit: mrenergyczar
A Cambridge University study suggests that offshore wind farms could be 100 per cent more efficient in terms of energy payback if manufacturers embraced new methods for making the structures that support the turbines.
http://phys.org/news/2012-08-offshore-turbines-efficient.html