According to Reuters (link http://www.reuters.com/article/us-mobileye-tesla-idUSKCN11K2T8), Mobileye has broken ties with Tesla Motors because it felt the Silicon Valley firm was “pushing the envelope in terms of safety” with the design of its Autopilot driver-assistance system. "It is not designed to cover all possible crash situations in a safe manner," Amnon Shashua, who is also chief technology officer at the Israel-based maker of collision detection and driver assistance systems, told Reuters.