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Old 12-21-2007, 09:52 PM   #7 (permalink)
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Join Date: Dec 2007
Posts: 41

Giant Strawberry - '06 Dodge Grand Caravan SE
90 day: 22.5 mpg (US)
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The P&G with engine on does not work at high speeds. I verified this on my way from Mississippi to California. Although the SG2 reported about 30mpg I only got about 26. As far as engine off goes I'm not gonna try it on the highway only in the city.
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