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A 100-Year-Old Shipping Law Is About to Get Temporarily Shelved

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Published Mar 12, 2026
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A digital illustration showing a clock, 100-year-old books with nautical themes, a temporary safe, and cargo ships at a port, with an upward green arrow symbolizing growth in trade or finance—hinting at trends in shipping law.
Summary:
  • The Trump administration is preparing a 30-day waiver of the Jones Act to help move fuel between U.S. ports.
  • The waiver would allow cheaper foreign tankers to supply East Coast refineries with Gulf Coast oil.
  • Analysts say it could save East Coast drivers around 10 cents per gallon — helpful, but not a game-changer.

Gas is at $3.60 a gallon nationally. Diesel is at $4.89. The White House is reaching for a 106-year-old law to do something about it.

What the Jones Act Actually Is

The Jones Act — formally the Merchant Marine Act of 1920 — requires that any cargo shipped between two U.S. ports travel on ships that are American-built, American-flagged, and crewed primarily by Americans.

In practice, that means moving oil from Gulf Coast refineries to the fuel-hungry Northeast is expensive and slow. The qualifying U.S. fleet has shrunk from 193 ocean-going vessels to just 92.

When foreign tankers are blocked, Gulf Coast oil either sits or gets routed through Europe before reaching the East Coast — adding cost and time.

What the White House Is Considering

Bloomberg reported that a 30-day waiver is being developed to cover oil, gasoline, diesel, LNG, and fertilizer shipments between domestic ports.

White House Press Secretary Karoline Leavitt confirmed the administration is "considering waiving the Jones Act for a limited period of time" in the interest of national defense, while noting the action "has not been finalized."

Jones Act waivers are rare — the last one was issued after Hurricane Fiona hit Puerto Rico in October 2022.

How Much Will It Actually Help?

Probably some — but not a lot.

A 2022 JPMorgan estimate put the savings at roughly 10 cents per gallon for East Coast drivers. Colin Grabow of the Cato Institute put it at single-digit cents. Gas prices are up roughly 60 cents since the Iran strikes began.

Maritime unions are already pushing back, arguing foreign ships undercut U.S. wages and national security. The waiver is one piece of a bigger toolkit — alongside the 400 million barrel SPR release — in a fight that's far from over.

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