UPDATE 3-Icahn subpoenaed by U.S. on biofuels dealing -filing
November 08, 2017 at 20:33 PM EST
NEW YORK, Nov 8 (Reuters) - Billionaire investor Carl Icahn has been subpoenaed by the U.S. Justice Department over his efforts to overhaul the U.S. biofuels program during his time as an unpaid adviser to President Donald Trump, his company said in a securities filing.