Mythbusters tested golf ball like dimples on a car, and apparently is help fuel economy. https://www.autoblog.com/2009/10/22/mythbusters-golf-ball-like-dimplin

Mythbusters tested golf ball like dimples on a car, and apparently is help fuel economy. https://www.autoblog.com/2009/10/22/mythbusters-golf-ball-like-dimpling-mpg/ https://www.autoblog.com/2009/10/22/mythbusters-golf-ball-li...