BYD unveils world’s longest electric and distributed four-wheel drive system bus in Shenzhen, China April 1, 2019 | Asia Pacific Company News China-based BYD has unveiled the world’s longest electric bus at its headquarters in Shenzhen. The bus is equipped with a four-wheel drive system that can switch between two-wheel drive and four... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password