BEIJING — Xiaomi 's electric car venture has succeeded in dethroning Tesla in China, at least in January. The Xiaomi YU7 SUV ranked first in China by sales last month, with 37,869 units sold, twice as many as Tesla's 16,845 Model Y vehicles, according to data from the China Passenger Car Association. The Model Y, which was the best-selling model in December, plunged to 20th place in January. Among new energy vehicles, it also fell from the first position to seventh over the same period. The