Quote:
Originally Posted by mechman600
Nope. Gasoline engines use a 3-way catalyst to very effectively scrub NOx. Diesel engines cannot use a 3-way catalyst because they run far too lean, so they require SCR to scrub NOx.
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That's what I mean though. Instead of using the 3-way catalyst system, use lean burn and SCR to get rid of the NOx. Not needing to worry about NOx opens so many doors.