Periodic table entry for dysprosium. Image credit:Wikimedia.China produces 95% of the worlds supply of the rare earth metal, dysprosium, a key metal in magnets used in the drive motors for hybrid electric vehicles - up to 100 grams of dysprosium per hybrid car produced, according to a Wikipedia reference. Dysprosium's magnetic properties also make it an important metal for wind turbines and electric vehicles. Could be vital for MagLev trains, too. Scarcity of the metal is a sustainabil...
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