Windows down or ac?
To do the test scientifically, they'd have to cool the interiors to equal temps. But then, who cares about that anyway? The results of that test, while interesting, would be of little real-world value.
To do the test scientifically, they'd have to cool the interiors to equal temps. But then, who cares about that anyway? The results of that test, while interesting, would be of little real-world value.
On the highway, windows are just cracked open, in fact my windows are never completely closed unless it's pouring down rain. Now if I have a girl in the car, the passenger window is usually up because the wind always "messes her hair up"
I've had my car since Aug of '03 and I've used the a/c maybe twice in that time.
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in the city where speeds are low, windows are much more efficient.
that being said, i always have my windows down because i like hearing my car and like wind blowing on me. however, if it's ungodly hot out or i'm on the expressway going 75+, i roll up the windows because the air gets annoying and i can actually feel my car slowing down
I also use the A/C whenever I get on the highway. I just don't like how windy it gets over 60mph.

I'd bet the AC on with windows up on a highway trip would be the more efficient way to go "in our cars"
Who cares about effecient though. t-tops off is where it's at. Unless it's 95 and stop and go traffic.
I also use the A/C whenever I get on the highway. I just don't like how windy it gets over 60mph.






