The U.S. International Trade Commission voted on Friday to continue a U.S. Commerce Department investigation into alleged dumping and unfair subsidies of biodiesel fuels from Argentina and Indonesia, moving a step closer to punitive U.S. duties. The 5-0 decision followed the initiation of Commerce Department probes in April after U.S. biodiesel producers claimed that soaring imports from Argentina and Indonesia were dumped at prices below production costs, harming their ability to produce the fuels.