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A comment on 25% of Cars Cause 90% of Automobile Air Pollution. Parent comment

Re:25% of Cars Cause 90% of Automobile Air Pollution by mizzao on Thursday May 07, 2015 @11:31AM (#9505778)
Combining MPG numbers is what the harmonic mean is for :)
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Re:25% of Cars Cause 90% of Automobile Air Pollution by colanderman on Thursday May 07, 2015 @11:46PM (#9509862)
Thank you, I've been looking for a name for that function for years.
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