Is Rolling Your Windows Down Really Better For Gas Mileage Than Using The AC?

Is Rolling Your Windows Down Really Better For Gas Mileage Than Using The AC?
As with many things, it depends — in this case, on how fast you're driving.

https://www.youtube.com/watch?utm_source=ifttt&v=ue6DsRncyfI June 19, 2017 at 11:38PM
via Digg https://www.youtube.com/watch?utm_source=ifttt&v=ue6DsRncyfI