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According to my Scangauge... Empty is better than full. 750 daily commute segments over 1.5 years, and it's pretty clear.
56 mpg average: Full tank (Above F on the gauge)
60 mpg average: 1/4 or less
6.666% better to run near empty.
As for evaporation, don't we have sealed tanks and emissions gizmos built in to avoid exactly that?
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
Last edited by PaleMelanesian; 09-11-2008 at 11:48 AM..
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