Take a COOL Guess – the Fun Quiz on Clean Energy (and Global Warming Remedy). Today’s Topic: Wind Turbines

Question: Approximately what percentage of the theoretical maximum amount of energy of the wind, flowing past the familiar three-blade turbines, is extracted and moved into the turbine shaft?

Answer: Can be found at http://2greenenergy.com/cool-guess-answers/8732.

Relevance: We come across numerous attempts to improve this figure.  And, as the answer shows, there IS room for improvement – though not as much as the casual observer may think. Having said that, one of the top investment opportunities I recommend here is headed by a colleague who, I believe, really has made an important breakthrough.