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Old 01-21-2012, 10:40 PM   #4 (permalink)
CigaR007
Master EcoModder
 
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Join Date: Jul 2010
Location: Canada
Posts: 715

GreenTurtle (Retired) - '01 Toyota Echo Sedan
90 day: 44.85 mpg (US)

Zulu - '14 Honda CR-Z
90 day: 49.05 mpg (US)
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Unless you like burning your money and emitting excessive air pollution, 30 seconds is all that is needed after firing up the engine. A block heater will do wonders in cold weather too.
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