World premiere of the first battery-powered four-seat concept car from Porsche Porsche Mission E: 600 hp, 500 km driving range, 15 minutes charging time In presenting the Mission E at the IAA in Frankfurt, Porsche is introducing the first all-electrically powered four-seat sports car in the brand's history. The concept car combines the unmistakable emotional design of a Porsche with excellent performance and the forward-thinking practicality of…