cold weather = lower mpg's?? - Fuelly Forums

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Old 10-25-2006, 05:41 AM   #1
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cold weather = lower mpg's??

how many other people are getting a lower FE lately?

i was consistantly 41-44mpg in august/september...
now im down to 38-39mpg.. i put synthetic in last tank... and i just fueled up the morning & got 40mpg. is this (or worse) what i should expect all winter?

not that im complaining... my gas bill is sooooo much lower than last year this time so far this month i have spent $107 on gas. and that includes travelling to races in Vt. Maine, Ct. Mass, etc... typically once or twice per weekend... last year this time it was more like $300!!!!
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Old 10-25-2006, 06:29 AM   #2
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I'm struggling also to maintain my summer mileage. Cold weather and coming winter blend fuel will only make it worse. Also I have to let me car warm up so I'm losing that first few miles of coasting.
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Old 10-25-2006, 07:06 AM   #3
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Cold weather = lower fuel economy for a bunch of reasons.

9 reasons why your winter fuel economy bites (not all neccessarily apply to you, since some are maintenance or driving issues you can correct):

1. More idling

2. Lower tire pressure
3. Increased rolling resistance
4. Crappy road conditions
5. Lower average engine temperature
6. Higher average lubricant viscosity
7. Weaker gasoline
8. Higher electrical loads
9. More aerodynamic drag

http://www.metrompg.com/posts/winter-mpg.htm
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Old 10-25-2006, 07:09 AM   #4
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wow. awesome article mpgmetro!

glad im not alone.. maybe i should stop measuring my mpg's until it gets warmer! seeing 'only' 38mpg was depressing ;(
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Old 10-25-2006, 07:10 AM   #5
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It's still fun to know you're paying enough attention to notice, yay for being in the game,

Anyway, I wonder which you consume more or, soy milk or gasoline?
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Old 10-25-2006, 07:17 AM   #6
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Filled up for the first time yesterday. 38mpg. not too bad for mixed driving, winter blend (I think), and the first tank.

With any luck by the time the warm weather hits I'll be in the mid 40s.
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Old 10-25-2006, 07:19 AM   #7
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Quote:
Originally Posted by SVOboy
It's still fun to know you're paying enough attention to notice, yay for being in the game,
That's such a good point. Agreed, agreed.
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Old 10-25-2006, 07:21 AM   #8
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Quote:
Originally Posted by MetroMPG
That's such a good point. Agreed, agreed.
I miss my car,

Though, it's now easier to contemplate an EV conversion.
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Old 10-25-2006, 07:23 AM   #9
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Do you miss your bicycle too?
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Old 10-25-2006, 07:32 AM   #10
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Which bicycle?

じてんしゃをいりませんでしたよ。
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