Hydrogen cars depend on a single material that is becoming more scarce
from Business Insider
The expected rise of electric vehicles has led to quite a few headlines in recent years predicting the collapse of platinum. That's because it puts the "catalyst" in "catalytic converter" — literally. Half of global production is used to convert harmful pollutants from internal combustion engines, such as ground-level ozone and carbon monoxide, into less harmful emissions. Therefore, the rise of electric vehicles will come at the cost of platinum's largest market, or so the thinking goes.
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