Every car manufacturer, it seems, i

Every car manufacturer, it seems, is building a self-driving car, these days. At CES 2015, we've seen both Audi and Mercedes show their achievements in the field. Now, Nissan and NASA have teamed up, and joined the race.

The U.S. agency and Japanese automaker announced a five-year partnership on Thursday, introducing plans to build an autonomous vehicle system and preparations to apply the technology commercially.