If you want to keep up with the rest of the supercar industry these days, you've got to be playing around with active aerodynamics. And now GM is primed to throw its hat in the ring with the catchily-named "variable-width aerodynamic spoiler assemblies and control logic for motor vehicles."...

Chevrolet is leaving no aerodynamic stone unturned in its pursuit of a slipperier car. The latest patents show active side skirts, an active spoiler, and downforce generating ducts. The side-skirts are there to help airflow around the body and decrease drag by lowering or raising the skirts...