Volkswagen was looking to include Audi as well, with Thomas Laudenbach, Porsche's vice president of motorsports, saying later that year that things were going in the right direction for an F1 ...

the turbine-powered Lotus Type 56B is one of the most radical F1 cars of all time Volkswagen XL1 (2013) review – Bugatti-level engineering aimed at MPG not MPH Another hair-brained Piëch ...