A Formula 1 car is a type of racing car designed and built for use in the highest levels of motor sport. Formula 1 cars are very specialized and have to meet a series of strict regulations regarding their design, components and fuel consumption. Formula 1 cars are similar to most other forms of race cars, but vary in power across the race and between different teams. In terms of horsepower, a Formula 1 car can range from around 1000HP, to the upper limit of 1200HP. The engine itself normally produces around 850 horsepower, with about 150 horsepower coming from the Energy Recovery System.