Mercedes-Benz Vision EQXX electric-car concept hits 1,008-km milestone

Mercedes-Benz says its experimental Vision EQXX electric car has traveled from the Stuttgart suburbs to the French Riviera on a single charge, using just 8.7 kilowatt-hours per 62 miles to drive a total of 1,008 kilometers, or 626 miles, with an average speed of about 55 mph monitored by a think tank watching its every move by remote from the home…