By Heekyong Yang and Ben Klayman SEOUL/DETROIT (Reuters) -Hyundai Motor Co plans to build a new electric-vehicle manufacturing plant in the United States and has held discussions with officials in Georgia, near existing plants for the Hyundai and Kia brands, people with knowledge of its plans told Reuters. Hyundai Motor confirmed an imminent plan for a new EV plant but declined to comment on any details, including site negotiations. “We are excited to announce a new EV plant plan in the United States soon, but we do not have details to share at this stage,” Hyundai said in a statement to Reute…