The Seoul-based automaker and sibling of Hyundai Motor says it spent $1 billion on the 2,200 acre plant in West Point, Ga. Since 2002 Kia has spent $1.3 billion on U.S. facilities, which include a corporate campus and design center in Irvine, Calif., a research and development center in Ann Arbor, Mich., and vehicle proving grounds in Mojave, Calif.--Karl Greenberg