Researchers at General Electric and Sandia National Laboratories report progress in lab work that could both reduce the noise output of wind turbines and boost their efficiency, according to this article. "By using high-performance computing to advance current engineering models that are used to predict blade noise, we can build quieter rotors with greater blade tip velocity that produce more power," says Mark Jonkhof, wind technology platform leader at GE Global Research. "This not only means lower energy costs for consumers, but also a significant reduction in greenhouse gas emissions."

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