Chinese electric vehicle giant BYD registered a local unit as a car manufacturer, a possible hint that the world’s biggest EV maker could soon start producing vehicles in South America’s third-largest auto market.The filing, registered with the country’s Justice Ministry, authorises BYD Auto Argentina S.A.U. not only to import and sell cars but also to manufacture and maintain vehicles, batteries and auto parts. Essentially, the registration allows operations across the EV supply and service...