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Old 09-30-2015, 08:39 PM   #9 (permalink)
ksa8907
Master EcoModder
 
Join Date: May 2012
Location: Tampa, FL
Posts: 1,745

Volt, gas only - '12 Chevrolet Volt Premium
90 day: 38.02 mpg (US)

Volt, electric only - '12 Chevrolet Volt Premium
90 day: 132.26 mpg (US)

Yukon Denali Hybrid - '12 GMC Yukon Denali Hybrid
90 day: 21.48 mpg (US)
Thanks: 206
Thanked 420 Times in 302 Posts
I highly recommend a block heater. I use it year round and right now with the mornings around 40-50°F i can hit 150°F coolant in about 2 min. This is with a 400w GM heater on for about 2.5 hours
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