TRANSPORTATION: Talking cars get green light from DOT to improve safety Julia Pyper, E&E reporter Published: Tuesday, February 4, 2014 The Department of Transportation yesterday announced it's taking next steps to make talking cars a reality. Please subscribe to ClimateWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.