Honda Motor Co. and Nissan Motor Co. said Thursday they had scrapped a historic realignment plan to merge into what would have become the world's third-biggest auto group by volume due to disagreements over the management structure.While Honda proposed making Nissan its subsidiary to speed up decision-making, Nissan, struggling with a sale slump in key markets, tried to stick to their initial plan of forming a holding company to preserve its autonomy.But Honda and Nissan, Japan's second- and third-largest automakers, will continue their talks to form a strategic partnership in electric vehi…READ FULL ARTICLE