 Currently Mercedes-AMG (operated by Mercedes-AMG HPP) and Volkswagen providing the engines currently maximum three teams per one manufacturer.ThreeBond Nissan and Neil Brown Engineering has provided engines in 2012-2016 and 2014-2016 but both companies left at the end of the 2016 season respectively due to competitor reduction to 19 cars.FIA Formula 3 European engines are rev-limited to 7,400 rpm.