The folks at Myers Motors, maker of the NmG, (an updated/upgraded Corbin Sparrow) might disagree that the dimples have no positive effect on airflow. If you take a close look at the trailing sides of the front fenders and the lower aft sections of the vehicle, you will find them dimpled. When I toured their (MM) factory a couple years ago, I asked what the dimples were for. They told me that they increased the range because they reduced the drag on the body.
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