Richard Waters for FT.com:  Toyota has hired the top robotics expert from the US defence department’s research arm and promised $50m in extra funding for artificial intelligence research, as it steps up the race between the world’s biggest carmakers to pioneer new forms of computer-assisted driving.

However, the Japanese carmaker maintained on Friday that completely driverless cars were still years away, and that AI and robotics would have a more complex effect on the relationship between humans and their vehicles than Google’s experiments with “robot cars” suggest.

Gill Pratt, who stepped down recently from the Defense Advanced Research Projects Agency (Darpa), will move to Silicon Valley to head Toyota’s robotics efforts, the company said. Darpa played a key role in stimulating interest in driverless cars with a competition in 2005 — the leader of the winning entry, Sebastian Thrun, who was then a professor at Stanford University, went on to found Google’s driverless car programme.  Cont'd...