The U.S. Department of Transportation (DOT) has published a proposed rule that would require all light-duty vehicles to come with vehicle-to-vehicle (V2V) communications technology to help avoid collisions.

The technology, DOT said, could help prevent hundreds of thousands of crashes a  year that occur when one vehicle is unaware of what another is doing.

"We are carrying the ball as far as we can to realize the potential of transportation technology to save lives," Transportation Secretary Anthony Foxx said in a statement. "This long promised V2V rule is the next step in that progression. Once deployed, V2V will provide 360-degree situational awareness on the road and will help us enhance vehicle safety."

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