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//www.usatoday.com/story/money/cars/2016/04/10/tesla-faces-five-big-challenges/82859740/ https://www.bloomberg.com/features/2016-elon-musk-companies/...
- http://www.usatoday.com/story/money/cars/2016/04/10/tesla-faces-five-big-challenges/82859740/