FILE PHOTO: A harvester unloads corn to a cargo truck at a farm in Gaocheng

FILE PHOTO: A harvester unloads corn to a cargo truck at a farm in Gaocheng

China is planning to order use of more corn-based ethanol fuel in the world's largest car market. Reuters/Kim Kyung-Hoon

September 13, 2017 11:14 AM (UTC+8)