A major bipartisan coalition in the U.S. Senate has introduced sweeping new legislation aimed at choking off the Kremlin's primary source of war financing: its energy exports. Formally introduced as the Senator Lindsey O. Graham Sanctioning Russia Act of 2026 honoring the late senator who helped broker a breakthrough agreement with the White House—the bill grants the President expansive authority to impose tariffs of up to 100% on third-party nations that continue purchasing Russian oil and gas.
Replacing an earlier, harsher draft from 2025 that proposed 500% tariffs, this revised version recalibrates the punishment to secure broad congressional backing while creating a formidable secondary-sanctions mechanism against buyers of Russian energy.

What Is the Bill and How Does It Work?

The primary objective of the legislation is to dismantle Russia’s energy revenues by targeting both its maritime transport networks and its global consumer base. Key pillars of the bill include:
● 100% Secondary Tariffs: The U.S. Trade Representative (USTR) is authorized to levy tariffs of up to 100% on goods imported into the United States from countries identified as major purchasers of Russian crude oil or natural gas.
● Cracking Down on the Shadow Fleet: Direct primary sanctions are expanded against Russia's dark fleet of uninsured oil tankers, state energy companies, defense contractors, and associated financial institutions.
● Targeted Exemptions & Waivers: To prevent unintended disruptions in international gas markets, the bill includes specific exemptions for countries where Russian natural gas accounts for less than 15% of total gas imports, provided those nations demonstrate active steps to reduce dependency.

How It Will Impact the Global Oil Market

If enacted, the bill represents a fundamental evolution in geopolitical energy enforcement, shifting from soft price caps to explicit economic penalties on third-party trading partners.
1. Shift in Trade Routes and Pricing
Major refiners will face an immediate strategic dilemma: the savings gained from buying discounted Urals crude versus the risk of losing access to the U.S. export market under 100% tariffs. To compensate for this heightened regulatory risk, buyers who continue taking Russian barrels will likely demand significantly steeper price discounts from Moscow.
2. Squeeze on Russia’s Energy Revenues
By threatening the secondary buyers that sustained Russia's cash flow through 2024–2026, the bill seeks to severely narrow Moscow's export markets, directly reducing the Kremlin's fiscal budget.
3. Increased Volatility for Global Benchmarks
Enforcing secondary tariffs on major energy importers risks forcing sudden re-alignments in global crude logistics. If key buyers pull back from Russian crude to protect their U.S. trade access, global competition for Middle Eastern, West African, and U.S. Gulf Coast barrels could surge, putting upward pressure on benchmark prices like Brent and WTI.
 

Which Countries Will Be Most Affected?

The legislation specifically zeroes in on the top international buyers of Russian fossil fuels:

 
With over 60 bipartisan co-sponsors in the Senate and backing from the executive branch, the Sanctioning Russia Act of 2026 carries significant momentum. While debate continues in the House over the extent of presidential tariff discretion, the bill’s advancement sends an undeniable signal to international energy markets: third-party buyers must weigh the short-term benefit of cheap Russian oil against long-term access to the U.S. economy.