Contemporary Amperex Technology Ltd (CATL) has cleared all regulatory hurdles for its mega factory in Hungary, a development that analysts expect will help the world’s largest producer of electric vehicle (EV) batteries extend its reach to international marques like BMW and Volkswagen.Production of battery cells at the €7.3 billion (US$8.35 billion) plant in Debrecen, the second-largest city in Hungary, began on Tuesday after it fulfilled all preconditions for a trial run, the company said.It...