Billions and Counting: Cost of Iran War for US The cost of conflict has climbed from $11.3 bn in its first week to over $40 bn now Why US Needs China More Than It Admits China is Iran's biggest oil buyer, top trading partner and a crucial shield against sanctions Fuel Costs Soar Across the US Iran war has pushed US gasoline inflation swing between 18% and 41% US Trade Deficit With China Hits 16-Month High Rising imports from China deepened the trade imbalance