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As computer technology increasingly controls critical vehicle safety features and more cars are connected to the internet, the danger of a hacker taking control of vehicles is becoming less like a Hollywood movie plot and more like something that can actually happen.

The technology that gives cars superpowers to see around corners and through walls won’t be on the first self-driving rides hitting the road in the next few years.

A once-popular idea to equip cars with technology to communicate with one another and avoid collisions is encountering unexpected potholes in Washington.

The United States has been on the cusp of connected vehicles that communicate directly with each other and with traffic signs and highway infrastructure since 1999, when a slice of electromagnetic spectrum was reserved for such a purpose by the Federal Communications Commission.

The U.S. Department of Transportation on Dec. 13 issued a proposed rule offering guidance for the development of vehicle-to-vehicle technologies that would provide advance warning of potentially life-threatening crashes for light vehicles.