Talking-Car Safety Mandate Hits Unexpected Pothole of Opposition

  • Timing, security, outdated technology among critics’ concerns
  • Rule now under review by regulation-wary Trump administration

Race To Build Self-Driving Cars Accelerates

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

An array of forces, from free-market groups opposed to government mandates to cable providers angling for greater access to high-speed wireless airwaves, have mounted opposition to a proposal that all new cars have vehicle-to-vehicle communications systems.