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Re: Ok, lets do the NOx thing
Posted to Emissions Forum on 1/17/2003 1 Reply

I haven't had time to read most of this thread but the following numbers may be enlightening:

Catalysts certified by EPA must show at least a 30% NOx reduction efficiency.

Catalysts certified by CARB must show at least a 50% or 60% NOx reduction efficiency... Login to read more.

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