Chinese automaker BYD Co. (OTC:BYDDF), backed by Warren Buffett, expects a minimum 67% rise in its Q3 profit due to record electric vehicle sales. The company predicts a net profit of between $1.31 billion and $1.5 billion, a significant increase from $783 million reported in Q3 last year. BYD's total vehicle sales nearly doubled in the January-September period, with 2.08 million vehicles sold. BYD Electronic, a subsidiary, also anticipates a more than two-fold increase in its nine-month profit.