Porsche's 918 RSR's performance hybrid system relies on this giant flywheel — sitting where a passenger seat should…
The flywheel-enhanced Porsche 911 GT3 R Hybrid outran the GT field in a Le Mans-class race in China on Sunday,…
Now playing
The experimental Porsche 911 GT3 R Hybrid survived Petit Le Mans this weekend, finishing 18th and suffering more…
We're not going to tell you how it got there. We're not even going to tell you why it wasn't on the New York Auto…
Stuttgart plans to bring a hybrid 911 racing car to both Geneva and the Nurburgring 24-hour race. The press release…