The Jones Act: A Century-Old Law with Modern Consequences
In the wake of World War I, as the United States grappled with the economic and strategic vulnerabilities exposed by the conflict, Congress passed the Merchant Marine Act of 1920. Nestled within its provisions was Section 27—better known today as the Jones Act—a law designed to bolster the nation’s maritime industry and ensure its self-sufficiency in times of crisis. The act’s architects, led by Senator Wesley Jones of Washington, envisioned a robust domestic shipping fleet capable of supporting both commercial trade and military logistics. At its core, the Jones Act was a protectionist measure, one that mandated only U.S.-built, U.S.-flagged, and U.S.-crewed vessels could transport goods between American ports. The logic was straightforward: by shielding the domestic shipbuilding and maritime sectors from foreign competition, the U.S. could maintain a fleet ready to serve national interests, whether in war or peace.
For much of the 20th century, the Jones Act achieved its intended goals. American shipyards thrived, employing thousands of workers who constructed vessels to exacting standards. The U.S. merchant marine became a critical asset during World War II, transporting troops and supplies across the Atlantic and Pacific. Even in peacetime, the law provided stability for an industry that might otherwise have been undercut by cheaper foreign labor and laxer regulations. But as the decades passed, the global economy evolved in ways the law’s framers could scarcely have imagined. What was once a shield against vulnerability became, in some cases, a straitjacket—particularly when it came to the nation’s energy infrastructure.
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The Letter of the Law—and Its Unintended Costs
The Jones Act’s requirements are deceptively simple, yet their implications are far-reaching. To qualify for domestic shipping, a vessel must meet three non-negotiable criteria:
- U.S.-built: The ship must be constructed in an American shipyard, a process that is notoriously expensive. Labor costs, regulatory compliance, and the lack of economies of scale in U.S. yards drive up prices—sometimes to three or four times the cost of building the same vessel overseas.
- U.S.-flagged: The ship must be registered in the United States, subjecting it to U.S. laws, taxes, and labor standards. This ensures oversight but also adds layers of bureaucracy and expense.
- U.S.-crewed: The vessel must be operated by American citizens or permanent residents, who command higher wages than their counterparts in countries like the Philippines, China, or India. This requirement, while preserving domestic jobs, further inflates operational costs.
The result? A domestic shipping fleet that is small, aging, and prohibitively expensive to expand. As of 2023, the U.S. had fewer than 100 large oceangoing commercial vessels that comply with the Jones Act—down from thousands in the mid-20th century. The law’s restrictions have stifled innovation, too. While countries like South Korea and Japan have pioneered advanced shipbuilding techniques, U.S. yards have struggled to keep pace, often relying on outdated methods that drive up costs without improving efficiency.
From Wartime Necessity to Peacetime Liability
The Jones Act’s origins lie in the geopolitical anxieties of the early 20th century, but its consequences are most acutely felt today in the energy sector. Take, for example, the case of New England, a region that sits atop the Marcellus Shale—one of the largest natural gas reserves in the world. Despite this abundance, the six-state region frequently finds itself importing liquefied natural gas (LNG) from as far away as Trinidad and Tobago, Norway, and even Russia during winter months, when demand for heating spikes. Why? Because the Jones Act makes it cheaper to ship gas from across the Atlantic than to transport it from the Gulf Coast or Appalachia.
The math is brutal. A Jones Act-compliant LNG tanker can cost $200 million or more to build in a U.S. shipyard, while a foreign-built equivalent might cost a third of that. Operating costs follow suit: a U.S.-crewed vessel requires salaries, benefits, and compliance with American labor laws, whereas a foreign-flagged ship can undercut those expenses. As a result, there are no Jones Act-compliant LNG carriers in operation today. The last attempt to build one, a 2016 project by Harvey Gulf International Marine, collapsed under the weight of its own costs. Without these vessels, natural gas produced in Pennsylvania or Texas must either travel by pipeline—which is often politically or logistically unfeasible—or be exported, only to be reimported at a premium.
This absurdity is not lost on energy analysts. A 2020 study by the Cato Institute found that the Jones Act adds $650 million annually to the cost of transporting oil and gas between U.S. ports. For New England, the impact is even more pronounced. During the polar vortex of 2018, when temperatures plummeted and demand for natural gas surged, the region was forced to rely on Russian LNG—a bitter irony for a country that had, just years earlier, become the world’s top natural gas producer. The alternative? Paying exorbitant rates to lease one of the few Jones Act-compliant product tankers, which are ill-suited for LNG transport and often unavailable on short notice.
A Law Out of Time
The Jones Act’s defenders argue that it remains vital for national security, ensuring the U.S. retains a domestic shipbuilding and maritime workforce capable of supporting the military in times of war. And there’s some truth to that: the law has preserved jobs and kept critical infrastructure under American control. But the trade-offs have become increasingly difficult to ignore. In an era where the U.S. is energy-independent and global supply chains are more interconnected than ever, the Jones Act’s rigid protections look less like a safeguard and more like a relic.
Consider the alternatives. Canada, which has no equivalent to the Jones Act, can move oil and gas between its coasts using foreign-flagged vessels at a fraction of the cost. Mexico, too, has relaxed its maritime laws to allow more flexible energy transport. Meanwhile, the U.S. clings to a century-old statute that forces its own regions to look abroad for resources—even when those resources are plentiful at home. The law’s unintended consequences ripple beyond energy, too. Puerto Rico, for instance, pays twice as much for goods shipped from the mainland as it would for the same goods transported from foreign ports. Hawaii faces similar markups, driving up the cost of living in already expensive markets.
Yet reform has proven elusive. The Jones Act enjoys broad bipartisan support, particularly from lawmakers in shipbuilding states like Virginia, Mississippi, and Washington, where the industry remains a powerful economic force. Labor unions, too, fiercely defend the law, arguing that its repeal would decimate American maritime jobs. The result is a status quo that prioritizes the interests of a narrow slice of the economy over the broader flexibility and efficiency that modern markets demand.
For now, the Jones Act endures—not as a dynamic tool of economic policy, but as a monument to the unintended consequences of protectionism. A law born of wartime necessity has become, in peacetime, a barrier to the very self-sufficiency it was meant to ensure. And as long as it remains on the books, regions like New England will continue to face the paradox of importing energy from halfway around the world, even as their own backyard brims with untapped resources.