Japan’s Nissan and Honda have said that their boards have voted to end talks over a merger that would have created a $60bn (£48bn) auto group, but added that both companies would continue to cooperate in electric vehicles. A merger would have spawned the world’s fourth-biggest carmaker by vehicle sales after Toyota, Volkswagen and Hyundai. Nissan, Japan’s third-largest automaker, backed out of the talks with its larger rival Honda after negotiations were complicated by growing differences, including Honda proposing that Nissan become a subsidiary, Reuters previously reported. The automakers, and junior partner Mitsubishi Motors, had announced they would consider the...