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post #14 of (permalink) Old 22nd December 2006
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Talking about lower mpg in winter.

There is one advantage with cold weather apart from the negligable increase in mpg perhaps due to more electricity use.

The car engine will actually produce more power as lower temprature air means denser air, the denser air going into the engine will increase mpg if you keep to your usual speeds. this is a scientific fact. works like a mini turbo !

So mpg should be the same, winter or summer.
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