The Wall Street Journal reported that Nissan was likely to walk away from a merger proposed in December that would create the world’s third-largest auto maker. It was a

Honda Motor Co. and Nissan Motor Co. called into question an agreement reached less than two months ago to consider combining, casting doubt on their efforts to form one one of the world’s largest automakers.

TOKYO — Nissan is set to call off merger talks with rival Honda, a source said Wednesday, abandoning a $60 billion-plus tie-up that would have created the world's No. 3 automaker and raising questions about how it will drive a turnaround by itself.