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GM Talking Cadillac on Collision Course With Silicon Valley

  • Tech companies want to use airwaves reserved for automakers
  • FCC considering whether Wi-Fi, cars can share digital road
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GM's Barra: I'm 'Very Committed' to Cadillac

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General Motors Co. is rolling out a sedan laden with gadgets that track other cars on the road and can automatically brake to avoid collisions, fulfilling a safety vision decades in the making.

Yet the 2017 Cadillac CTS arrives to skepticism in Washington, where Detroit’s dream of cars talking to cars is running into Silicon Valley’s wireless aspirations.