Energy Prices Push US Inflation to Three-Year High Above 4%
US inflation hit a three-year high above 4% in May, driven by a 23.5% year-over-year surge in energy costs amid the Hormuz crisis.

US inflation climbed above 4% for the first time in three years in May, driven by a sharp rise in energy costs linked to the Iran conflict and the Hormuz Strait disruption. The Consumer Price Index rose 0.5% from April and 4.2% from a year earlier, according to data released Wednesday by the Bureau of Labor Statistics. The annual rate matched economists' expectations but marked the highest inflation reading since April 2023, accelerating from the 3.8% recorded in April.
Energy was by far the largest contributor to the increase. The BLS reported that energy prices jumped 3.9% during the month and were up 23.5% from a year earlier. The surge reflects the ongoing impact of the Hormuz Strait shutdown, which has forced major crude buyers like Malaysia to overhaul their supply chains. For fuel traders, higher inflation typically signals tighter monetary policy ahead, which can strengthen the US dollar and put downward pressure on dollar-denominated commodities like oil. However, the supply-driven nature of this inflation — tied directly to geopolitical disruption — means that crude and refined product prices may remain elevated regardless of Fed actions. Check NowPrice's fuel page for current gasoline and diesel pricing in your region.
Looking ahead, markets will focus on the Federal Reserve's response at next week's policy meeting. While the headline CPI exceeded the Fed's 2% target by a wide margin, the central bank may look through energy-driven spikes if they appear temporary. However, if core inflation also shows signs of broadening, rate cuts could be delayed further. Traders should also monitor developments in the Hormuz region, as any resolution could quickly reverse energy price trends. The next major data point will be the Producer Price Index due later this month, which will provide further clues on pipeline cost pressures.