In what year did the team that built the Lotus E21 begin to compete under the Lotus name?
Lotus E21 The Lotus E21 is a Formula One racing car designed and built by the Lotus F1 team for use in the 2013 championship. The car was driven by 2007 World Champion Kimi Räikkönen and Romain Grosjean, both of whom remained with the team after competing in 2012. The E21 was the first of the 2013 season cars to be launched.
Brabham BT52 The Brabham BT52 was a Formula One car designed for the Brabham team by longtime Brabham designer Gordon Murray for the season. The car ran on Michelin tyres and was powered by the massively powerful BMW M12/13 turbocharged engine which in 1983 produced a maximum of approximately 800 bhp in qualifying trim, detuned to around 640 bhp for the races proper. Its drivers were World Champion Nelson Piquet and Riccardo Patrese.