In recent years the US Department of Energy laid out an ambitious plan to grow the US offshore wind sector. Researchers make the case that it might not be as easy as it seems, citing specifically the challenge of supplying rare-earth metals needed to build these offshore wind turbines.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190402164523.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190402164523.htm
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