Thread: EPA may fine VW
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Old 10-08-2015, 03:13 PM   #103 (permalink)
UFO
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Quote:
Originally Posted by kafer65 View Post
...
I thought that selective catalyst reduction (SCR) using urea reduced NOx to N2, water,soot and plant food reducing NOx by 90% as after treatment. Anything bigger than a Jetta had to have that after a certain date and now the Jettas have it too, right?
Much preferable to EGR. Direct exhaust treatment allows the thermal efficiency of the diesel engine to get better fuel mileage, instead of clogging the intake and reducing combustion temperature.
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