The war in Iran has now cost U.S. consumers $100 billion in higher energy prices, and the bill is rising another $1 million about every two minutes, per a real-time estimate from Brown University as of Monday morning. Why it matters: Energy inflation shows up across the entire economy, and the recent surge in diesel prices in particular threatens to have a dramatic impact on freight and travel in the weeks and months to come. By the numbers: The Iran War Energy Cost Tracker from Brown's Watson School says higher gasoline and diesel prices have cost the average U.S. household more than $760 since the war began Feb. 28.