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Re: Clogged cat?

Since I'm a chemist, I guess I should jump in on this. There are 2 catalysts
inside the cat. The first are platinum-rhenium alloys, which are used to
interconvert the hydrocarbons entering the cat. The second catalysts are
platinum-rhodium alloys, which help the CO, O2, and the interconverted
hydrocarbons to oxidize to CO2. The platinum-rhodium catalysts also reduce
NOx to N2.

'92 100S (78k)