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Old 08-03-2010, 01:44 PM   #5 (permalink)
Dr. Jerryrigger
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Join Date: Jun 2010
Location: mass
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The Sh*t-Box - '99 Subaru Impreza Outback Sport
90 day: 27.81 mpg (US)
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Originally Posted by jamesqf View Post
Depends on what you mean by idle, I think. The driveshaft wouldn't be turning, but it'd still be burning fuel in order to keep the steam pressure up, no?
With a modern boiler and well insulated everything, it wouldn't need to use much fuel to keep the pressure up. So not none for long stops, but close to it.
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