The Nissan Ariya electric crossover has been a long time coming to market. But Automotive News finally got a test drive in Japan.

Tesla is working with suppliers, including partner Panasonic, on a bigger cylindrical battery cell to increase efficiency and reduct cost. In fact, Tesla is already making some of the 4680 cells on its own.

The University of Michigan's Anna Stefanopoulou says with the right battery, hybrid technology could extend the life of the internal combustion engine.