It's not clear yet what prompted Warren Buffett's investment company to trim its holdings of the electric school bus maker's Hong Kong-listed shares.
BYD: California Dreaming [VIDEO]
Executive Editor of School Bus Fleet, Wes Platt, talks with Jason Yan about the evolution of BYD into the electric school bus market and its foothold in California. Yan is BYD America's director of sales operations for bus and coach.