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Old 11-24-2014, 01:14 PM   #20 (permalink)
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Join Date: Dec 2011
Location: Michigan
Posts: 4,511

Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

K-sight - '00 Honda K-sight
Team Honda
90 day: 33.82 mpg (US)

Aerocivic - '92 Honda Civic CX
90 day: 64.49 mpg (US)
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It's probably some combination of that, and confirmation bias in those who've spent money on the products. Most want to see a return on a something they've spent hundreds of dollars on, so they interpret the (often insufficient) data they have favorably.
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