Engineers are getting us closer to cars that can drive themselves, overcoming step by step the key problems of having a car recognize its environment, process what it sees and then react accordingly, writes Eric Butterman. The task requires more work, but the biggest hurdle may be getting drivers to accept the technology. "Many people identify themselves with driving. To give that up? Not as easy as you would think," said John Hanson, national manager for environmental, safety and quality communications for Toyota.
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