UPDATE 4-China Sets 2020 Target for Nationwide Ethanol Use to Cut Corn Stocks
by Josephine Mason, Chen Aizhu, Dominique Patton and Hallie Gu (Reuters) Beijing sets first timeline for ethanol use in cars; Push comes amid bid to whittle down massive corn stockpile; China has no nationwide ethanol mandate like U.S., Brazil; Shares in China-listed biofuel makers rally