Particle.news

Diesel Shortage Tightens as U.S. Threatens Indefinite Blockade of Iran

Reduced refinery runs, Russian export limits and disruptions through the Strait of Hormuz have driven diesel stocks to multi‑decade lows and sent refining margins above $70 a barrel.

Overview

  • The U.S. warning that it could keep a naval blockade of Iran indefinitely on Aug. 14 renewed fears that crude flows through the Strait of Hormuz will remain constrained and lifted near‑term supply risk.
  • International Energy Agency data show July diesel exports from Russia, the Middle East and Asia fell by about 1.3 million barrels per day year‑over‑year and S&P Global estimates refineries processed roughly 7.5 million bpd less crude than a year earlier.
  • U.S. diesel inventories are at their lowest for this time of year in about 30 years and the retail diesel average sits near $5.32 per gallon, squeezing the market that already relies on U.S. exports to fill gaps.
  • Refineries are running at extreme levels with utilization commonly above 90–95% and the 3‑2‑1 crack spread climbing past $70 per barrel, which leaves little operational room to boost product output during maintenance season.
  • Governments have tapped reserves and tightened trade tools — the U.S. SPR is at its lowest level since early 1983 — and analysts warn export curbs and refinery damage could keep product prices high even as demand forecasts temper crude prices.