At the American Le Mans Series' six-hour endurance race at Mazda Raceway Laguna Seca in September, the GT3 R Hybrid walked away from the field, posting the fastest laps in the GT class and stopping only three times for fuel, compared with other competitors' five or more stops.
WSJ: Porsche GT3 R Hybrid; 2012 Porsche 911 S: Porsche Blasts Hybrids Into a New Stratosphere | Rumble Seat by Dan Neil