Bolt EV battery failure, natural-gas Audi, Tesla semi range, Royal Mail goes electric: Today’s Car News

Audi e-tron Sportback concept, 2017 Shanghai auto showToday, we've got news on the future Tesla semi tractor, we drove a natural-gas-powered Audi, a few Bolt EV batteries will be replaced, and the Royal Mail launched its all-electric delivery vans. All this and more on Green Car Reports. The Tesla semi tractor will reportedly have 200 to 300 miles of range; it is expected to be unveiled next month...