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New Porsche Panamera 4 E-Hybrid meets 919 Hybrid race car

London calling; Porsche answering By ,

The all-new Porsche Panamera 4 E-Hybrid looks like an exceptional machine, and we're anxious to try it out. Most of its advanced technology comes from the Le Mans-winning Porsche 919 Hybrid race car. Watch as the two German marvels hit the streets of London: