i think here's another example of this design feature on the new toyota IQ...
the car is a smart alternative and has a 0.299Cd that's pretty good for such a tiny blob of a car... it really has these square bumps on the front fenders.... traditionally you'd want this area to be as rounded as possible, but since the little car doesn't have much room for rounding to begin with, it's quite interesting someone wants to add some additional squareness to it.
this might also explain why some square looking cars of the 80's where more aero than they looked