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