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8 Fuel Economy Myths Debunked

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Old 03-04-2011, 04:02 PM
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Post 8 Fuel Economy Myths Debunked

occasionally my home page to my email has some things that I find interesting to read so I just thought I would share.

http://comcast.vehix.com/articles/gr...bunked?cid=800

The only one I kind of disagree with is the A/C one...My car on the interstate with the A/C on usually gets 2-3 mpg worse than if I just have the fan blowing...so I think turning your A/C off does save fuel, whereas they say it doesn't really at interstate speeds (70+ mph)

Now if I don't run the A/C but instead put my windows all down, then yes I can agree with them that my mileage won't be any better..but if I want to squeeze every last MPG out of my car, then I'm going to be rolling down the road with windows up and sweating my nuts off with a hot fan blowing at me.

I'd rather run the A/C though..it'* too damn hot and humid here 8 months of the year to not have it running all the time.
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Old 03-04-2011, 06:53 PM
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Originally Posted by YoungGunLs1 View Post
The only one I kind of disagree with is the A/C one...My car on the interstate with the A/C on usually gets 2-3 mpg worse than if I just have the fan blowing...so I think turning your A/C off does save fuel, whereas they say it doesn't really at interstate speeds (70+ mph)
it should be stated that at highway speeds, the effect is less significant, since accelerating with the a/c on is a bigger hit than just cruising with it on.
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