Ford's chief executive has told the BBC his company is one of the leaders in self-driving vehicle technology. <br />There are reports that Mark Fields plans to bring autonomous cars to market via a new company formed in conjunction with Google. <br />But there was no mention of the idea at his CES press conference. <br />The BBC's North America technology reporter Dave Lee asked whether there was anything to the rumours when he caught up with Mr Fields at the Las Vegas tech show.
