Compliance, however, is voluntary; countries can choose to implement it (or not) for launch vehicles lifting off from their territories. (scientificamerican.com)
Air that is routed through the grilles via the diffusers is allowed t escape through a large vent in the hood, reducing the possibility of vehicle lift at high - speeds. (bestride.com)
By reshaping the sill cover along the lower portions of the sides of the car, the amount of air being drawn underneath was reduced, countering vehicle lift and improving stability. (nissannews.com)