But its batteries are produced using 15-year-old methods, its successful traditional sedans are the cheapest in every class in which they compete, and its new-energy cars face troubling hurdles.

• 然而，比亚迪的电池却是用15年前的老方法生产的，它获得成功的传统轿车在其所在汽车类别中是最便宜的，而它的新能源汽车也面临着障碍。