Wholesale Inflation Cools, But the Emergency Oil Reserve Is Wearing Thin

Wholesale prices were flat in July — better than economists expected — but a separate warning about the U.S. Strategic Petroleum Reserve is a reminder of how quickly that progress could reverse if energy markets get hit again.

Why it matters: Falling wholesale inflation is exactly the kind of signal that eventually shows up in consumer prices. But the U.S. just drew its emergency oil stockpile down to its lowest level since the early 1980s, right as the Iran conflict keeps oil markets on edge.

By the numbers: inflation

• The Producer Price Index was flat in July, below the 0.2% increase economists expected, following a downwardly revised 0.1% decline in June.

• Core PPI, excluding food and energy, rose 0.2%, below the 0.3% forecast.

• On an annual basis, headline PPI is up 4.7% and core PPI is up 4.2% — both still well above pre-conflict levels even as the monthly trend cools.

• Separately, July’s consumer price index rose just 0.1%, with core CPI back to a 2.5% annual rate — roughly where it stood before the Iran war began.

By the numbers: energy reserve

• The Strategic Petroleum Reserve fell to about 298.7 million barrels in early August — its lowest level since 1983 — after the U.S. released 172 million barrels in response to oil-supply disruptions from the Iran war.

• It’s expected to settle around 243 million barrels once the drawdown finishes.

• The reserve was designed for five full drawdown cycles; it’s now been through dozens over 40 years.

State of play: Energy experts warn that drawing the reserve down this far risks damaging the salt caverns that store the oil. Amos Hochstein, a former senior energy advisor under President Biden, said going much lower risks depleting the reserve to the point of never resurrecting it. The Energy Department disputes any structural risk, saying the caverns are always full and only the oil-to-water ratio changes as inventory is drawn down.

Zoom in: This concern isn’t new, and it isn’t one-sided. Republican lawmakers raised nearly identical cavern-damage warnings in 2022, when the Biden administration released a record 180 million barrels in response to Russia’s invasion of Ukraine. A May 2026 Government Accountability Office report found that repeated drawdown-and-refill cycles can leave caverns with irregular shapes over time — a structural concern that applies regardless of which administration orders the release.

What this means for you: Cooling wholesale inflation is good news for prices down the line, but it’s fragile progress. With the emergency oil reserve running lower on both barrels and operational flexibility, another disruption could hit gas prices — and everything downstream of them — harder and faster than usual. It’s worth building a little extra room in your budget for energy costs rather than assuming this month’s calm holds. Copiafy’s bill tracker can help you spot where energy costs are eating into your monthly budget so you can plan around price swings.

Bottom line: Inflation is cooling for now, but the safety net meant to cushion the next energy shock is thinner than it’s been in over 40 years.

Sources: Bureau of Labor Statistics; EIA; CNBC.