An excellent way to have a good look at what car manufacturers are doing aero wise to their cars these days is to visit a car dealership. Once you get the sales vultures to stop pestering you, it is possible to have a look under the cars there.
This is the grille of the latest Focus. Note how that the majority of the grille is actually blocked off, with the actual grille being the area below the license plate.
( Unfortunately, they did not have the active aerodynamic grille block version there )
