Nissan Motor Co. Chairman Carlos Ghosn answers reporters' questions during a news conference in Seoul, South Korea, Friday, July 20, 2012. French-Japanese auto alliance of Renault and Nissan is investing $160 million in its South Korean Renault Samsung Motors to produce Nissan-branded vehicles mostly destined for the United States, taking advantage of the South Korea-U.S. free trade agreement and a more favorable exchange rate. (AP Photo/Lee Jin-man)