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Old 12-19-2008, 04:39 PM   #62 (permalink)
Renaissance Man
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Join Date: Jan 2008
Location: In the Northeast dreaming of the Southwest
Posts: 596

Aegean C - '17 Honda Civic LX
90 day: 41.77 mpg (US)
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You would have to collect data on your FE with a cold engine VS normal operating temp, figure out the savings of reaching OT earlier, and then figure out how much you spend on electricity running the heater to determine if there is a cost savings. Of course even if you weren't saving money you are still burning less fuel, and are more comfortable for those first nine minutes.

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