Joe Wallace, Wall Street Journal, has a nice piece on rhodium, here…
“The price of rhodium, a precious metal that strips pollutants out of exhaust fumes, is surging as car manufacturers in Asia and Europe scramble to abide by stricter emission regimes.
Supplies of rhodium are limited because the metal is mined as a byproduct of platinum, palladium and gold, while demand is rising as regulators restrict emissions and subject autos to more rigorous tests.”
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