Gridpedia introduced Aerodynamics
Drag reduction system (DRS)
A driver-operated flap in the rear wing, usable within one second of the car ahead in set zones, was introduced to help overtaking. Source
2011 rule changes
4 changes recorded for 2011. 2011 standings · results · ← 2010 · 2012 →
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banned Aerodynamics
Double diffusers and F-ducts banned
The rear diffuser was restricted and driver-operated aerodynamic switching (the F-duct) outlawed; KERS returned. Source
changed Sporting
Team orders allowed again
The 2002 ban on team orders was removed from the sporting regulations. Source
changed Tyres
Pirelli becomes sole tyre supplier
Pirelli replaced Bridgestone with tyres designed to degrade quickly; the 107% rule returned. Source