U.S. gasoline inventories aren’t at record lows, but they are falling fast.
The distinction is important. The current level of inventories does not point to an immediate shortage. But the speed of the drawdown suggests the fuel market has been burning through its cushion at an unusual rate just as the summer driving season begins.
For the week ending May 22, gasoline inventories stood at 211.6 million barrels, according to the Energy Information Administration. That level is below the five-year average and the lowest May reading since 2014, but it is not the sort of number that would normally set off alarms by itself.
The more interesting story is not the level of inventories. It is how quickly the cushion has disappeared.
In early February, U.S. gasoline inventories reached 259.1 million barrels. By late May, they had fallen by 47.5 million barrels in roughly 15 weeks.
In weekly EIA data going back to 1990, there is not another February-to-May gasoline drawdown that comes close. The next-largest drawdowns were clustered around 30 million barrels, and that was 15 years ago. This year’s decline is far larger.
That does not mean gasoline shortages are imminent. It does mean the market has burned through a remarkable amount of inventory before the summer driving season has even fully arrived.
A Drawdown That Stands Out
Weekly petroleum statistics can be noisy. Inventories rise and fall for many reasons, including refinery maintenance, imports, exports, demand swings, blending changes, and seasonal adjustments. A one-week draw does not necessarily tell us much.
But a 47.5-million-barrel drawdown over roughly three and a half months deserves attention, especially when it occurs while refineries are running hard.
For the week ending May 22, U.S. refinery inputs averaged nearly 17.0 million barrels per day, up 652,000 barrels per day from the previous week. Refinery utilization rose to 94.5%, which is a high level, and slightly above average for this time of year. Finished gasoline production was also strong, averaging 9.9 million barrels per day.
Normally, that kind of refinery activity would help stabilize inventories. Instead, gasoline stocks fell another 2.6 million barrels during the week.
Demand alone does not fully explain the move. The EIA reported that finished motor gasoline supplied averaged 9.26 million barrels per day for the week, which was actually below the same week last year. The four-week average was essentially flat compared with a year ago.
So, the mystery is not that Americans are suddenly consuming gasoline at a runaway pace. They are not. The more interesting question is why inventories are falling so quickly despite strong refinery runs and only modest gasoline demand growth.
Global Markets Are Pulling On U.S. Supplies
Part of the answer lies in trade flows. The U.S. petroleum system is deeply connected to global markets. The latest EIA Petroleum Status Report showed total net imports of crude oil and petroleum products at negative 5.84 million barrels per day for the week, meaning the U.S. was a substantial net exporter. That compares with negative 2.87 million barrels per day a year earlier, meaning we are exporting 3 million barrels per day more than a year ago.
Product exports were also running well above last year’s level. In a global market under stress, U.S. barrels do not simply stay home because domestic inventories are drawing down. They move toward the highest-value markets.
That is particularly important this year because the global oil system is already under strain. The closure of the Strait of Hormuz has disrupted the world’s most important energy chokepoint. Oil prices have risen, but the market continues to behave as though the disruption will be resolved before inventories become truly problematic.
That may prove correct. Markets often look through temporary disruptions, especially when traders believe a diplomatic resolution is possible. But inventory trends suggest the system is consuming its cushion while waiting for that resolution.
The SPR And Diesel Add Context
The Strategic Petroleum Reserve is also part of the backdrop. The EIA reported that SPR inventories fell by 9.1 million barrels during the week and were 36.2 million barrels below year-ago levels. The recent drawdowns in the SPR have been the largest weekly withdrawals in history.
SPR releases can help maintain crude availability to refiners, but crude oil is not gasoline. It must still be processed, blended, transported, and delivered into regional markets. That distinction often gets lost in political discussions about energy prices.
Distillate inventories add another cautionary note. Distillate stocks, which include diesel and heating oil, fell by 2.1 million barrels during the week and remain below normal. Diesel is economically important because it powers trucking, rail, agriculture, construction, and much of the supply chain. Tight distillate inventories can ripple through freight and goods prices more broadly than gasoline.
Still, the gasoline drawdown is the more surprising statistic. If inventories had started the year at normal levels, the current situation might look more concerning. Instead, the market entered February with an unusually large gasoline cushion. That cushion has now been depleted at a historically unusual pace.
Why The Headline Number Can Mislead
Looking only at today’s 211.6 million barrels suggests a market that is somewhat tight but not in crisis. Looking at the path from February to May tells a different story.
It suggests the fuel market has been absorbing more stress than the headline inventory level reveals. That stress may be coming from several directions at once, including elevated exports, global supply disruptions, refinery constraints, seasonal shifts, and the difficulty of rebuilding product inventories when refineries are already operating near high utilization rates.
None of this ensures gasoline prices will immediately spike. Short-term fuel prices are notoriously difficult to forecast. A diplomatic breakthrough, softer demand, increased imports, or a stretch of smooth refinery operations could help stabilize inventories.
But the current setup leaves less room for error. A refinery outage, pipeline disruption, hurricane threat, or renewed geopolitical shock would land in a market that has already drawn down a large portion of its gasoline cushion.
That is the point worth watching as summer begins. The concern is not simply where gasoline inventories are today. It is how quickly the cushion disappeared before summer demand reached its peak.
This article was written by Robert Rapier, Senior Contributor to Forbes and Editor in Chief of SHALE Magazine. The original version of this article appeared on Forbes.com.
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