https://techcrunch.com/2019/09/04/porsches-all-electric-evolution-from-sketch-to-mission-e-concept-to-porsche-taycan/ > The Porsche Taycan, the German automaker’s first all-electric sports car has arrived. After four years of development, the company lifted the veil Wednesday on the Porsche Taycan. > Here’s a look back at how this four-door electric vehicle developed from a few sketches to the Mission E concept, and then to the Taycan prototype and final production model.