Williams FW15C CVT.So what innovation was it, a continuously variable transmission (CVT), called the DAF Variomatic. Its basically one single variable gear which allows the engine to run at the optimum efficiency through its rev range.
To say its was ahead of its time would be doing it an injustice, its only now 50 years later that it being used on modern cars such as the Mini One etc and most moden scooters. But this uninspiring Dutch car was where it started.
Variomatic at work-
For more information-http://en.wikipedia.org/wiki/DAF_600