WASHINGTON, July 11 — The shift is a quiet but consequential one in the U.S. approach to Russian energy. Washington is now examining the practical mechanics of imposing heavy tariffs on Russian oil imports, a move that would operate differently from the existing sanctions regime and the price cap already in place. A tariff, at its core, is a tax on imported goods.
In this case, it would be collected by U.S. Customs and Border Protection at the port of entry. The rate could be set as a percentage of the oil’s value, or as a fixed dollar amount per barrel.
That sounds straightforward, but the reality is anything but. The United States already bans direct imports of Russian oil under a March 2022 executive order, so a tariff would primarily target indirect imports. The real target, according to the analysis, is to serve as a deterrent to third-party countries that are transshipping Russian oil.
The trend underneath is enforcement. How do you track the origin of crude oil when it can be blended or refined in intermediate countries?
The U.S. could use secondary sanctions on entities that facilitate Russian oil exports, similar to the tools already used against Iran. The tariff could also be applied to refined products that are derived from Russian crude. The key challenges are substantial.
Verifying the origin of oil is difficult when ship-to-ship transfers and falsified documentation are common evasion tactics. Preventing those evasions will require significant coordination with allies to avoid market distortions. The legal path is also a critical piece.
The proposal would require legislative approval if it involves new trade authority. Alternatively, it could be implemented via executive order under existing trade laws, such as the International Emergency Economic Powers Act (IEEPA) or the Trade Act of 1974.
What’s changing is the toolkit. Sanctions and price caps have been the primary instruments. A tariff is a different mechanism entirely—one that collects revenue rather than merely restricting trade.
The enforcement architecture is where the real work lies. Tracking crude from wellhead to refinery is a logistical and intelligence challenge.
The U.S. would need to rely on satellite imagery, shipping data, and customs documentation to trace the chain of custody. Blending Russian crude with other grades in a refinery in a third country makes that chain nearly impossible to follow without robust cooperation from that country’s government. Secondary sanctions are the hammer.
If the U.S. can penalize the banks, insurers, and shipping companies that facilitate Russian oil exports, the tariff becomes more than a symbolic gesture. The Iran model is instructive here—Washington has used secondary sanctions for years to isolate Iranian oil exports, and the same playbook could apply to Russia. The refined products angle adds another layer.
Even if Russian crude is not directly imported, gasoline, diesel, or other products made from that crude could be subject to the tariff. That means the U.S. would need to determine not just where the crude came from, but the entire production chain of the refined product.
Coordination with allies is not optional. If the U.S. imposes a tariff and Europe does not, Russian oil will simply reroute. The market distortions could be severe, with some countries benefiting from discounted Russian crude while the U.S. pays a premium for alternatives.
The legislative route is uncertain. New trade authority would require Congress to act, and that is never a given.
The executive order path under IEEPA or the Trade Act of 1974 is faster, but it may face legal challenges. The next few months will tell the story. The tariff proposal is still in the examination phase, but the shift in thinking is clear.
Washington is moving beyond the initial sanctions and looking for a more permanent, enforceable mechanism. How it handles verification, evasion, and allied coordination will determine whether this becomes a real tool or just another paper tiger.
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