Trump Signs Executive Order Issuing Sanctions On Iran Including Oil. U.S. is set to implement more sanctions on Iran, others to follow on Nov. 4. U.S. sees sanctions having significant impact on Iran economy – U.S. officials. U.S. wants as many countries as possible to stop buying Iranian oil. New wave of mega LNG projects is approaching. Oil gains after surprise drop in Saudi crude output. British pound at 11-month low versus dollar as Brexit fears flare up.