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Old 12-15-2008, 06:03 PM   #8 (permalink)
dcb
needs more cowbell
 
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pimp mobile - '81 suzuki gs 250 t
90 day: 96.29 mpg (US)

schnitzel - '01 Volkswagen Golf TDI
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I'm sure it wastes fuel because now everyone idles their car for a half hour before driving anywhere.

But that behavior aside, and warmup time aside, it is just waste heat once the engine is up to temperature.
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