2010 Porsche Panamera

  • Porsche 911 GT3 R Hybrid

    Pretty much every manufacturer is now at least experimenting with hybrid cars. The bulk of them use a high-voltage battery pack to store and deliver energy to supplement a gasoline engine. But in its experimental 911 GT3 R Hybrid test car, Porsche has taken a different tack toward energy conservation for racing. It uses an adaptation of the Kinetic Energy Recovery System (KERS) technology first built into Formula 1 race cars. Electric drive up front Rather than a battery, that system is based on a flywheel, mounted where the passenger seat would normally sit and spinning at speeds up to...

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