Will Tesla’s purchase of battery maker lead to proprietary cells?

Tour of Tesla battery gigafactory for invited owners, Reno, Nevada, July 2016Tesla's quiet acquisition of a Canadian battery manufacturer may be the first significant indicator yet that the Silicon Valley EV builder plans to develop its own future battery tech. Some time over the summer, Tesla discretely purchased Ontario-based Hibar Systems Ltd., Electric Autonomy Canada reported on Friday. The acquisition only came to...