As China’s electric cars age, the promise of cheap, clean mobility is colliding with the practical costs of battery degradation and upkeep. CNA unpacks the issue as part of a series  examining the forces powering Asia’s electric transition. HARBIN/BEIJING: Snug inside his electric vehicle (EV) as snow and -15°C cold grip the streets of Harbin in northeast China, Zhao Li waits as the minutes tick by - not in traffic, but at a roadside charging station. “I bought this electric car thinking I