Plug-in electric-car sales for May: Nissan Leaf, Toyota Prius Prime lead
After a slow month in April, sales of the Nissan Leaf came roaring back in May. Nissan sold 1,576 Leafs in May, up from 1,171 the month before. The Leaf also had a record month in Canada, selling 906 units north of the border. It is worth noting that this achievement was accomplished with the redesigned Leaf's 151-mile battery. A 220-mile battery...