Car key jams teen drivers' cell phones

University of Utah researchers have developed an automobile ignition key that prevents teenagers from talking on cell phones or sending text messages while driving.

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<p><a href="http://www.physorg.com/news148193101.html">Car key jams teen drivers' cell phones</a></p> <p>University of Utah researchers have developed an automobile ignition key that prevents teenagers from talking on cell phones or sending text messages while driving.</p>