Manufacturers and politicians in the US argue for more investment in the country’s production of rare earths, amid intensifying concern about China’s domination of supplies of the vital metals.
Demand for and prices of rare earths – a collection of 17 elements from the periodic table used to make smartphones and military radars – have rocketed in recent years.
That reflects action by China, which controls 97 per cent of rare earth supplies, to slash exports to meet its own internal needs. In the past four months, global prices for rare earths have doubled.
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