Formula One car
A modern Formula One car is a single-seat, open cockpit, open wheel
Open wheel car
Open-wheel car, formula car, or often single-seater car in British English, describes cars with the wheels outside the car's main body and, in most cases, one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have their wheels below the body or fenders...

 racing car with substantial front and rear wings, and an engine positioned behind the driver. The regulations governing the cars are unique to the championship. The Formula One
Formula One
Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...

 regulations specify that cars must be constructed by the racing teams themselves, though the design and manufacture can be outsourced.
The 2006 Formula One season
2006 Formula One season
The 2006 Formula One season was the 57th season of FIA Formula One motor racing. It featured the 2006 FIA Formula One World Championship which began on March 12 and ended on October 22 after eighteen races. The Drivers' Championship was won by Fernando Alonso of Renault F1 for the second year in a...

 saw the Fédération Internationale de l'Automobile
Fédération Internationale de l'Automobile
The Fédération Internationale de l'Automobile is a non-profit association established as the Association Internationale des Automobile Clubs Reconnus on 20 June 1904 to represent the interests of motoring organisations and motor car users...

 (FIA) introduce the current engine formula, which mandated cars to be powered by 2.4 litre naturally aspirated engines in the V8 engine
V8 engine
A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

 configuration, with no more than four valves per cylinder.