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precious metals


New Mazda3 catalytic converter cuts precious metal use by 70%

One of the keys to cutting vehicle emissions over the past 40 years, aside from electronic engine management systems, has been the catalytic converter. Unfortunately, catalytic converters are expensive due to the fact that precious metals such as platinum and rhodium have to be used to trigger the reactions that transform the noxious emissions from the engine into something less harmful. Traditional converter manufacturing methods use base material coated with the catalyst. Unfortunately, the catalyst tends to clump up, reducing the effective ... Read more →

Cardiff University: recycling road dust for precious metals Jeremy Korzeniewski

I don't know nearly enough about the mining of precious metals such as platinum to estimate how much it costs to get a reasonable amount from the earth. But, I do know that the metal is expensive to ...

New Mazda3 catalytic converter cuts precious metal use by 70% 10 months ago on Autoblog Green

One of the keys to cutting vehicle emissions over the past 40 years, aside from electronic engine management systems, has been the catalytic converter. Unfortunately, catalytic converters are expensive due to the fact that precious metals such as platinum and rhodium have to be used to trigger the ...

Cardiff University: recycling road dust for precious metals 2 years ago on Autoblog Green

I don't know nearly enough about the mining of precious metals such as platinum to estimate how much it costs to get a reasonable amount from the earth. But, I do know that the metal is expensive to buy, so it must at least be reasonably difficult, right? So, perhaps we should be looking at ...


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