When Prost unveiled its first F1 turbo-charged car in 1980s , became a laughing stock . Nicknamed 'yellow teapot ' due to bright color and cloud of steam . Four-time world champion Throughout 1977 turbo engines dominated RS01 , later banned due to safety concerns . Now turbo engine set to make a comeback , with F1 ruling all cars must convert in 2014 .
When Prost unveiled its first F1 turbo-charged car in 1980s , became a laughing stock . Nicknamed 'yellow teapot ' due to bright color and cloud of steam . Throughout 1977 turbo engines dominated RS01 , later banned due to safety concerns . Now turbo engine set to make a comeback , with F1 ruling all cars must convert in 2014 .