Ground effect (cars)

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In car design, ground effect is a series of effects that have been exploited in automotive aerodynamics to create downforce, particularly in racing cars, through underbody tunnels and floor design. This has been the successor to the earlier dominant aerodynamic focus on streamlining. The international Formula One series and American racing IndyCars employ ground effects in their engineering and designs. Similarly, they are also employed in other racing series to some extent; however, across Europe, many series employ regulations (or complete bans) to limit its effectiveness on safety grounds.

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