The US emergency oil stockpile has been drained to a 40-year low, leaving the country with a thin cushion against any fuel disruption — bad news for anyone who depends on stable food and gas prices.

• The Strategic Petroleum Reserve dropped to about 330 million barrels, its lowest since 1983, after 172 million barrels were released in early 2026.
• The drawdown was a response to the Iran conflict, which shut the Strait of Hormuz and choked off a fifth of the world's oil.
• Refilling is going about 10 times slower than the oil came out, so the safety net could take years to rebuild.
• Cities keep only 3 to 5 days of food on shelves, so a fuel shortage quickly becomes a food shortage — as happened in Sri Lanka's 2022 collapse.
• The US still imports heavy crude despite record production, because its refineries can't process the lighter oil that fracking produces.

Outlook: With reserves this low and refilling slowly, the US has far less room to absorb an oil shock, and any new supply disruption could push fuel and food prices sharply higher.