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12-30-2009, 02:17 PM
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#18 |
 
Drives: Scion FRS RS2, ‘21 Crosstrek Join Date: Oct 2008
Location: Chatham, Ontario, Canada
Posts: 1,729
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I noticed this back in the day when emission controlled vehicles became the normal and was told that a slower/controlled RPM drop reduced pollution. My guess is that todays cars rev down slowly for the same reason.
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