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Old 08-10-2012, 10:08 AM   #7 (permalink)
UltArc
Hydrogen > EV
 
Join Date: Apr 2012
Location: NW Ohio, United States
Posts: 2,025

Silver Flea - '05 Honda Insight
90 day: 58.96 mpg (US)
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My post will be no help at all.

I jumped up 2.7% in tire size, and I noted a difference in efficiency. But my engine was also just in the breaking process, so that is not conclusive, and there was no formal testing.

It appeared to be an increase.
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Best Tanks:
Mustang - 54.83 mpg (US) at the Green Grand Prix
Insight - 82.91966 mpg (US) over 818.5 miles.
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