In just a few years China has become the world’s largest car exporter, and electric vehicle-maker BYD is leading the way; it's now the top-selling EV producer globally, overtaking Tesla and expanding into Europe and beyond. Bloomberg’s Tom Mackenzie reports from Paris, where BYD unveiled its latest luxury EV: the Denza Z9GT. He speaks with BYD Group Executive Vice President Stella Li and Alfredo Altavilla, BYD's Special Adviser for Europe, about the company’s rapid rise, its technological edge,