Electric vehiclesEV maker hoping in-house strategy will help cut costs and break 8-month sales slumpBYD is betting on its chipmaking capabilities to cut costs and boost sales of its electric vehicles. © ReutersGLORIA LI and CISSY ZHOUMay 29, 2026 14:38 JSTHONG KONG -- BYD's announcement that it will produce its own cutting-edge 4-nanometer chips for autonomous driving was met with a muted initial response from investors, a sign that the Chinese EV king must do more to dispel concerns over growth.