Большой англо-русский и русско-английский словарь
at full/top speed ехать на полном газу ≈ to race along at top speed, to burn up the roadat full speed (throttle);
на полном газу в энциклопедиях
at full/top speed ехать на полном газу ≈ to race along at top speed, to burn up the roadat full speed (throttle);