Installed front wheel well skirts. The skirt is a made of an aluminum bar frame covered with coroplast and hinged at the top with piano hinge. There is enough tire clearance inside the skirt for normal on-road turns (lane changes, curvy roads, etc), but when I have to make a sharper turn, the tire rolls against a low profile (1/2"x6") conveyer roller that pushes the skirt out while I am making the sharp turn. Two springs at the bottom pull the skirt back in when the tire straightens out.
SVOboy,...yes. I'd be interested in the semi-permanent loan of your MID assuming I can figure out how to install it. I usually begin seeing summer heat and humidity by mid-May, so I should be able be see how far above 100mpg I can go in the car with the current (and additionally planned) mods installed by next spring.