Which affects my car’s energy efficiency more: raising/lowering the setting on my car’s air conditioner, or raising/lowering the fan speed? Is there a most-efficient setting?
In: Engineering
Mythbusters did a few shows on this. The thing that most folks don’t consider is that the compressor is part of the serpentine belt and is always there. So the difference of amount of cooling or fan speed is a much smaller drain than the fact that its there. I knew someone who pulled the AC out (in the 60s when AC was new and attached to outside of the engine.) You’ll save more gas accellerating slowly…. Don’t fly a flag, that almost like a parachute adding drag/resistance.
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