A BYD Seal electric vehicle (EV) is displayed at a car dealership in Shanghai, China, February 3, 2023. REUTERS/Aly Song Visitors view a BYD Dolphin EV car at the 44th Bangkok International Motor Show in Bangkok, Thailand, March 23, 2023. REUTERS/Athit Perawongmetha SHANGHAI, April 17 (Reuters) - China's auto market, the world’s largest, is accelerating toward an electric future – leaving established global brands stuck in the slow lane. When auto executives convene in Shanghai for the auto show starting Tuesd...