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The turbines of ENERCON don't need "rare-earths", because of their ring generator https://www.enercon.de/technologie/komponenten/ https://www.enercon.de/technol

• kragen 4y ago
  Of course you don't need rare earths to build electrical wind turbines; the Europa paper I linked above explains that even today 25% of wind turbines are rare-earth-free, and people have been building large-scale electrical generators for 156 years even though rare earth magnets were only invented about 50 years ago.