The self-proclaimed king of electric vehicles is welcoming General Motors Co. to the party, saying the more the merrier. Nissan -Renault Chief Executive Carlos Ghosn , speaking to media at the Detroit Auto Show Monday, said the auto maker’s Leaf electric car is in line for an upgrade. Currently capable of traveling less than 100 miles on a charge, the Leaf is far behind what’s coming — GM’s Chevy Bolt, for instance, is slated to launch in 2017 with a 200-mile range. Mr. Ghosn said there are big things in store for the little Leaf, but didn’t elaborate on details. “You can expect us to come along with a lot of enhancements.” The Leaf has been on the market for several years, selling over 75,000 units in the U.S. since 2011. Mr. Ghosn expects sales to grow in 2015 by double-digit margins. In the meantime, as BMW AG, Audi […]