Tesla hits the gas on self-driving car tech

Elon Musk says electric car company is ramping up its Autopilot system for advanced autonomous driving

Tesla is accelerating with its self-driving car efforts, taking on Google, Uber, Apple and traditional vehicle manufacturers.

After launching a software update for its Model S electric cars that gave it self-driving capabilities in "beta", the Tesla chief executive, Elon Musk, took to Twitter to announce a "ramping up the Autopilot software team at Tesla to achieve generalised full autonomy".