Is there an official GasSaver position on window vents (plastic things that go over side windows)? I've seriously cut back on using the air conditioner <sound of back patting>. I leave windows open under 40, close (or almost close) above 40. Today was in low 90*s. Does the vent increase drag vs. close window? Is an open vented window a compromise between air conditioning and a plain open window?
lowbridescape 
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