The Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 was enacted by Congress to impose tariffs on major foreign purchasers of Russian energy and entities assisting Russia in evading sanctions.

From the articleWright calls Trump's diesel deal a peace incentive. Rubio says Russia would sell anyway.Also in Bessent says there was no sanctions relief for Russia after US diesel deal, Trump Offers Putin Economic Relief in Hopes That Russia Will Return the Favor, Trump Faces Backlash Over Russia Deal: The Conversation