it’s Not About “self-sufficient vs dependent” anymore —it’s about being part of a global system

“A narrow strait holds the breath of empires, where each passing tanker trembles with the weight of the world.”

Art and poetry by James Hall.

By James Hall,
Co-author of the popular "The Sword of Damocles: Our Nuclear Age," now on Audible, Kindle and Amazon books.
jameshall042999@gmail.com

These days, we are all asking ourselves if the US can weather the oil supply crisis. We are being told not to worry because we are “energy independent.” But is that true?

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The real question, of course, is whether this seemingly never-ending oil supply disruption, especially with tensions continuing to rise in the Persian Gulf, will lead to disaster.

For much of the past century, American energy has been described in simple terms: either we are dependent on foreign oil, or we are independent. But that way of thinking no longer works.

Over time, the United States has built something far more complex and far more powerful than simple independence. It now operates as a central hub in a global energy network—one that trades, refines, and redistributes energy.

At first glance, it does indeed look like the United States has reached energy independence. The country produces enormous quantities of oil and has become a net exporter of petroleum when all products are counted together. Being a net exporter, however, does not mean operating in isolation; it simply means exports exceed imports.

Albeit within a system that remains deeply integrated with global markets. American oil output now rivals or exceeds domestic demand, driven largely by shale production in regions like Texas and New Mexico.

That is all thanks to a process called fracking. Through hydraulic fracturing—the country learned to draw oil and gas from stone once thought unreachable, shifting the center of gravity in global energy. While the process has raised ongoing environmental concerns, its impact on production has been undeniable. In the 1970s, it appeared that the United States had largely exhausted its century of oil supremacy, but fracking gave new life to the old American giant. On paper, that now suggests a system capable of standing on its own.

But that view leaves out a crucial detail.

Even while exporting millions of barrels of petroleum products, the United States continues to import millions of barrels of crude oil every day.

This is not a contradiction or a failure—it is the result of how the system has been designed over decades. Understanding this distinction is essential!

The reason lies in the nature of the oil itself and the infrastructure built to handle it. Much of the oil produced in the United States today is light and low in sulfur—what is known as “light, sweet crude.” That was once the kind of oil Americans associated with imports from places like Saudi Arabia during the 1970s energy crises.

However over the decades that followed, US refineries—especially along the Gulf Coast—were upgraded to run heavier, more sulfur‑rich crude from countries such as Canada, Mexico, and Venezuela, which was often cheaper and more readily available. As a result, the system that emerged was optimized for a different kind of oil than the one the shale boom would later provide. Reconfiguring that infrastructure now would be enormously expensive, so instead the system adapts through trade: exporting the lighter oil it produces while importing the heavier crude its refineries are designed to process.

That same idea of optimization shapes the refining system, which is the true backbone of American energy. The United States has the largest refining network in the world, with roughly 130 operating refineries and a total capacity of around 18 million barrels per day. Many of these facilities are among the most advanced anywhere, designed to handle a wide range of crude types and produce fuels for both domestic use and international markets. The Gulf Coast alone accounts for more than half of this refining capacity, functioning as a kind of global energy processing center.

These refineries run almost continuously, often at 90 percent or more of their capacity, turning crude oil into gasoline, diesel, jet fuel, and petrochemical feedstocks. The output is so large that the United States regularly exports significant volumes of refined products, supplying fuel to countries across Latin America, Europe, and parts of Asia—including major importers such as South Korea and Japan. In this sense, the United States is not just self‑sufficient in refined fuels—it is a leading supplier to the rest of the world.

And yet, despite this immense capability, the system is not without its limits. Refining capacity has slowly tightened in recent years as some facilities have closed or have been converted to other uses. Building new refineries is difficult, expensive, and often constrained by regulation and geography. The result is a system that is resilient in supply but sensitive to price, and self-reliant in capability but interdependent in operation. When everything is running smoothly, it works beautifully. But when disruptions occur—whether from storms, maintenance outages, or shifts in global supply—the lack of slack can lead to localized shortages or sudden price spikes.

The ultimate safety valve for this tightly balanced system has historically been the Strategic Petroleum Reserve (SPR). Established to cushion the American economy against severe geopolitical supply shocks, this massive underground stockpile is heavily weighted toward the type of heavier, sour crude that many domestic refineries are designed to process. In recent years, however—particularly in response to global disruptions tied to rising tensions and supply uncertainty—the United States has drawn down the reserve at an unprecedented pace, releasing hundreds of millions of barrels to stabilize markets and contain price spikes.

Much of this oil has been sold into global markets, where it has flowed not only into domestic refineries but also to international buyers, including Europe—especially after the loss of Russian supply—as well as to major Asian importers such as South Korea and India.

Rather than being held strictly for domestic emergencies, these barrels have moved through global trade networks, reflecting the deeply interconnected nature of modern energy markets. As a result, the reserve now sits at its lowest levels in decades.

In the sustained crisis in the Persian Gulf, the physical cushion available to buy time for the domestic market is far thinner than it once was.

A diminished reserve shifts more of the burden onto real-time market responses, leaving the entire system with a narrower margin for error.

Recent geopolitical shifts have already demonstrated how quickly the global energy system can be reshaped. Sanctions on Russian oil—once one of the world’s largest sources of supply—have forced a reordering of trade flows, rerouting crude across longer distances and tightening available supply in key markets. European countries, in particular, have had to replace large volumes of Russian energy with imports from elsewhere, increasing competition for barrels and placing greater strain on alternative suppliers.

In an environment of renewed tension in the Persian Gulf, that reduced margin leaves Europe more exposed than it has been in decades.

The result has been not only a loss of supply, but a more complex realignment—one that underscores how disruptions in one part of the world can reverberate across the entire network, reinforcing the importance of both the Persian Gulf and the United States in maintaining global balance.

Geography adds another layer of complexity. While the Gulf Coast dominates refining, other parts of the The US are less connected. The East Coast and California, for example, rely more heavily on imports or long, complicated supply chains. This geographic fragmentation is deepened by domestic maritime regulations, most notably the Jones Act of 1920. The law mandates that any goods shipped between US. ports must be carried on vessels that are built, owned, and operated by United States citizens. Because there is a chronic shortage of these qualified, US-flagged oil tankers, shipping crude oil from the Gulf Coast to places like California or the Northeast is often drastically more expensive than simply importing oil from foreign nations. As a result, federal shipping constraints actively reinforce the coastal reliance on international supply chains, keeping parts of the country tethered to global disruptions regardless of how much oil is drilling in Texas.

This means that even when our nation produces and refines large volumes of fuel, conditions can vary widely from one region to another. You can have abundance in one area and tight supply in another at the same time.

All of this exists within a global pricing system. Oil and fuel do not operate in isolation within national borders. They are traded commodities, and their prices are shaped by events across the entire world. A disruption in the Persian Gulf, even if it does not directly affect US. supply, can tighten global markets and push prices higher everywhere. American consumers feel those effects just as surely as anyone else, because the price at the pump is tied to global conditions, not just domestic production.

Even beyond the physical movement of oil, there is another layer through which disruptions spread: the financial market. Oil is traded not only as a physical commodity but as a financial asset, with prices shaped continuously in futures markets where traders, institutions, and producers respond to expectations as much as to actual supply. This means that prices often move ahead of real shortages. A perceived risk in the Persian Gulf can ripple through markets within hours, pushing prices higher long before any barrel is lost. In this way, volatility is amplified not just by what happens, but by what participants believe might happen, turning uncertainty itself into a powerful force within the system. While some participants do profit from these movements, most activity in these markets reflects hedging, risk management, and shifting expectations rather than coordinated attempts to manipulate price. Yet there are powerful forces at work.

At the center of this global system sits a small group of producers with an influence that far exceeds their number. Countries such as Saudi Arabia and the United Arab Emirates maintain what is known as spare capacity—the ability to quickly increase production when supply disruptions occur. This capacity functions as a kind of global pressure valve, helping to stabilize markets when shocks arise. It is not something the broader market can easily replicate; most producers operate near their limits, and new supply cannot be brought online overnight. As a result, the world remains quietly dependent on this concentrated reserve of flexibility. When tensions rise in the Persian Gulf, the question is not simply how much oil the United States produces, but whether these producers can and will step in to offset the disruption. Without that cushion, even a modest interruption can ripple outward into significantly higher prices and heightened volatility.

Even countries that rarely appear in public debate, such as Oman, can suddenly become central to the system—not by driving events, but by virtue of geography. Positioned at the mouth of the Strait of Hormuz and long serving as a quiet intermediary, Oman illustrates how the stability of global energy flows can hinge on actors most observers seldom consider.

This helps explain why today’s risks look different from those of the past. As explained, in the 1970s, the United States faced shortages because it simply did not produce enough oil. Today, the country has abundant production and one of the most sophisticated refining systems ever built. The vulnerability is no longer a lack of supply, but rather how that supply moves through a tightly balanced system.

What matters now is not whether the United States can produce enough oil—it largely can. Even this surge in domestic production has its own constraints. Shale has given the United States remarkable flexibility, but it is not an instant solution to sudden supply shocks. Increasing output takes time—months rather than days—as companies must commit capital, deploy rigs, and bring new wells online. Producers respond primarily to price signals and market incentives, not geopolitical urgency. This means that in the early stages of a disruption, when supply is suddenly tight and uncertainty is highest, additional American production cannot immediately fill the gap. The system, for all its strength, still operates with a delay between crisis and response. What matters is whether the system can adapt quickly when conditions change. Can refineries handle shifts in crude supply? Can fuel be moved efficiently from region to region? Can the global market absorb disruptions without extreme price swings?

These are questions of coordination, not scarcity.

In that sense, the idea of “energy independence” misses the point. True independence would require redesigning refineries, rebuilding infrastructure, and disconnecting from global markets—steps that would likely make the system less efficient, not more. Instead, the United States has built a model that relies on specialization and trade, allowing it to maximize output and economic value.

The result is a system that is both strong and sensitive: strong because it produces and refines at enormous scale, and sensitive because it is deeply interconnected with the rest of the world.

In this regard, America can consider itself lucky. Its relative security is not shared equally. For countries like Germany or South Korea—and for much of Europe and East Asia—the picture is far more dire. These economies rely heavily on imported energy, much of it still flowing through the Persian Gulf.

That is the reality behind the reassuring phrase “energy independence.” It is not about standing alone. It is about being at the center of a global, optimized energy network—and understanding both the strength and the complexity that come with that role.

The result is a system that is resilient in supply, but sensitive to price; self-reliant in capability, but interdependent in operation.

And that is the defining reality of American energy today.

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Michael and James Hall, authors of the popular The Sword of Damocles: Our Nuclear Age, now on Audible, Kindle and Amazon books.