U.S. Department of Energy @ENERGY
WIND POWER: Increasing wind turbine efficiency with better blades has reduced the cost of wind power by more than 80% over the past 30 years. Now deployed in wind farms nationwide, these turbines owe their existence to @NREL research. https://t.co/p7AFHVYCDe #75Breakthroughs https://t.co/jxv47pwqCe — PolitiTweet.org