Cadillac is testing V2I cars that talk to traffic lights

Cadillac has given its CTS luxury sedan the ability to chat with traffic lights, though the Vehicle-to-Infrastructure (V2I) technology isn’t yet on production vehicles. Instead, the automaker has been carrying out trials on cars that can communicate with city infrastructure, more specifically getting information on when the lights are likely to change. That data, Cadillac says, could make urban driving …