China EV maker BYD plans to install its self-driving technology on most cars without extra cost, and even cheaper models. Analysts say this could be another hurdle for Tesla.China EV maker BYD plans to install its self-driving technology on most cars without extra cost, and even cheaper models. Analysts say this could be another hurdle for Tesla. China EV maker BYD plans to install its self-driving technology on most cars without extra cost, and even cheaper models. Analysts say this could be another hurdle for Tesla.