Kevin Hand of The Wall Street Journal outlines how wind turbines have become more efficient.
- Technological innovations have made wind turbines more efficient.
- Wind turbine blades for instance have grown from 26 feet in length to an average of 351 feet in length.
- In 1980 a majority of turbines were made with fiberglass- today they are made with carbon fiber which has made them lighter and more efficient.
Read the full article here.