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Old 08-14-2014, 01:18 PM   #36 (permalink)
jamesqf
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Quote:
Originally Posted by theaveng View Post
The automatic insight doesn't have lean-burn, so it produces much much less NOx than the manual insight.

Put another way: The auto is SULEV and the manual is ULEV. So the cleaner emissions automatic get a higher score.
Yes, as we discussed a page or two back, their equations (and IMHO the EPA tests) are skewed, giving too high a weight to NOx emissions. That's probably a historic legacy, from back when urban smog was thought to be the only problem.
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