SHANGHAI, March 15 (Reuters) – Ford Motor Co (F.N) is stepping up efforts to scale up electric vehicle (EV) production in China, the world’s biggest auto market, by hiring thousands of new staff, sources with knowledge of the matter said. The Dearborn, Michigan-based automaker plans to more than double its workforce at its Hangzhou EV plant, hiring an additional 2,000 engineers and factory workers, the people said. Ford declined to comment on the hiring numbers but confirmed it is investing heavily in China, which will become a key .