As Tesla announces a new Megapack battery factory in Shanghai, the question arises about which country or region will dominate electric vehicle (EV) production in the coming decades. Tesla also recently announced a major factory in Mexico, and other EV firms have been looking to diversify their manufacturing locations, finally signaling greater competition in a market overwhelmingly dominated by China. China has gradually been rising as an EV giant over the last decade, supporting government efforts to lead the green energy revolution.…