I have a related question.
We know that open windows are horrible, aerodynamically speaking and AC saps multiple hp from the engine.
Considering that most everyone in america spends at least part of the year needing one or the other, has anyone come up with an aerodynamically cleaner way of getting sufficient airflow to avoid using AC? I would guess that intake vents drawing air from under the car and exhausting it in the rear where there is a low pressure area to suck the air out, might work well.
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