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Old 08-13-2009, 05:03 PM   #8 (permalink)
Join Date: Dec 2007
Location: San Jose
Posts: 319

Pablo - '07 Hyundai Santa Fe AWD
90 day: 23.62 mpg (US)
Thanks: 0
Thanked 2 Times in 2 Posts
If its 400 watts @ $0.10/KWHr then 3 hours is 12 cents per day or $23 for 180 days more or less.

An EBH won't gain that much in MPG compared to what it saves in poor emissions spewing from an ice cold engine. Well worth the effort for the air quality alone...
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