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Global energy markets are facing a growing imbalance between crude oil supplies and the availability of refined petroleum products, pushing fuel prices higher and creating another source of inflationary pressure for businesses and households.

Crude oil prices have remained elevated but relatively stable compared with the sharp increases seen earlier in the year. Refined products, however, have become significantly more expensive relative to crude, highlighting a shortage of refining capacity across major markets.

The distinction is important. Even if crude oil prices stabilize, shortages of gasoline, jet fuel, and industrial petroleum products can continue to raise costs throughout the economy.

Refining capacity becomes the problem

Global exports of refined petroleum products were estimated to be around 25% lower in late July and August than a year earlier. Much of the decline was linked to disruptions in the Middle East and Russia.

In the Middle East, refining capacity was damaged during the conflict involving Iran, while restrictions on shipping through the Strait of Hormuz have disrupted the movement of refined products.

Russia is facing its own supply problems. Several refineries have been damaged by Ukrainian drone attacks, pushing Russian refinery output to its lowest level in two years. The country has consequently shifted toward importing refined petroleum products.

China has also played a role. A temporary restriction on refined product exports was introduced to protect domestic supplies. Although the restriction has since been lifted, its effects have continued to influence international markets.

Together, these disruptions have reduced the amount of refined fuel available globally at a time when demand remains substantial.

Refined products outpace crude

The impact can be seen clearly in the gap between crude oil and refined product prices.

Jet fuel prices have risen by roughly 74% from a year earlier, compared with an increase of around 30% for crude oil. The difference demonstrates how supply constraints within the refining industry can create additional price pressure even when crude oil itself is not rising at the same pace.

The effects extend beyond transportation. Refined petroleum products are also essential inputs for manufacturing, and shortages have been reported in products such as naphtha, which is used to produce plastics, paints, and other industrial materials.

Higher prices for these inputs can raise costs throughout manufacturing supply chains. Companies may absorb some of the increase, reducing margins, or pass higher costs on to customers, contributing to broader inflation.

Middle East disruptions remain important

The Strait of Hormuz is particularly important to global energy markets. A significant share of internationally traded liquefied natural gas normally passes through the waterway, while refined petroleum products also rely on the route.

Disruption therefore affects more than the supply of crude oil. It can restrict the movement of finished fuels and other energy products, creating additional shortages further along the supply chain.

This helps explain why refined product prices can remain elevated even when crude oil prices temporarily stabilize or decline.

The situation also creates uncertainty for countries that depend heavily on imported energy. Higher fuel and industrial input costs can reduce household purchasing power while increasing expenses for businesses.

Inflation could remain under pressure

The refining shortage represents another potential source of persistent inflation.

Energy costs influence a wide range of economic activity. Higher fuel prices increase transportation costs, while more expensive industrial inputs can raise production expenses across manufacturing.

For households, the impact can be particularly significant. When fuel and other essential products become more expensive, consumers have less disposable income available for other purchases.

This can create a difficult environment for central banks. Higher energy prices may push inflation upward at the same time that economic growth is facing pressure from weaker household purchasing power.

The problem is that monetary policy cannot directly increase refining capacity or reopen disrupted shipping routes. Central banks can influence demand, but they cannot quickly resolve physical shortages of fuel.

A supply problem with global consequences

The current energy situation demonstrates how geopolitical conflicts can create economic effects far beyond the countries directly involved.

The conflict in the Middle East has disrupted energy flows, while damage to Russian refining infrastructure has reduced another source of refined fuel supply. Together, these disruptions have tightened global markets and increased the cost of products used throughout the economy.

The effects could persist even if crude oil prices stop rising. Refining capacity takes time to restore, and transportation routes may remain vulnerable while geopolitical tensions continue.

For investors, this means monitoring refined product prices may be just as important as watching crude oil. The spread between crude and refined products provides an indication of pressure within the energy supply chain and can offer clues about future inflation.

If refining capacity remains constrained, elevated fuel and industrial input prices could continue to weigh on household purchasing power and corporate margins.

The broader lesson is that energy inflation is not determined solely by the price of crude oil. When refining capacity and transportation infrastructure become constrained, shortages of finished products can become a significant economic problem in their own right.