Tesla's Guillen has been working on an electric-truck project since joining the company from Daimler in 2012.
For a while there, Tesla CEO Elon Musk was having a kumbaya moment after the public editor The New York Times, Margaret Sullivan, wrote that her publication may have been overzealous in its criticism of the Tesla Model S and admitted that Times reporter John Broder was not entirely precise with his mileage or speed logs.
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