High-performance Ariel Atom ditches the wings and uses another 'aerodynamic' solution to minimize wing drag and improve cornering stability. The Ariel Atom Aero-P uses banned racecar technology ground effects, it uses a bottom tub with flexible side skirts and two electric fans to create a vacuum/suction down force. The downforce system can be turned on or off on demand, higher downforce at turns and low down force on straightaways.
It may not be practical on regular road cars (rocks and road debris) but it will benefit track cars without the use of massive spoilers and wings.
This Ariel Atom Uses Electric Fans to Suck It Into the Ground