By David Shepardson (Reuters) – Ford Motor Co CEO Jim Farley said on Thursday Chinese electric vehicle makers are its main rivals in the sector, but the company has hurdles competing on cost at a smaller scale. "I think we see the Chinese as the main competitor, not GM or Toyota," Farley said at the Morgan Stanley Sustainable Finance Summit. "The Chinese are going to be the powerhouse." China, the world's largest auto market, has some of the best battery technology and dominates EV production, Farley said. He cited BYD, Geely, Great Wall, Changan SAIC as among the "winners" among…