Platinum is used in a myriad of things, precision temperature sensors, jewellry, metallurgy, medicine, etc.................
I was pointing out that there should be some platinum available for the new fuel cells on cars with the deletion of the catalytic converter from cars. Since the article doesn’t go into detail about how much is required to create the fuel cells, and I have no knowledge as to how much is used in a catalytic converter this should provide some cost benefit.
Do they both require the same amount of platinum, or more, or less? The cost savings will vary on those questions.