Seven oil tankers carrying an estimated 288,000 tonnes of Russian diesel are now sailing toward the United States, the first phase of a 1.8-million-tonne supply deal struck between Donald Trump and Vladimir Putin on 9 October. Trump issued a six-month waiver on existing sanctions to allow the shipments, arguing they would ease diesel prices that have surged since his spring attack on Iran. The deal reverses years of US, EU, and UK economic sanctions imposed after Russia's full-scale invasion of Ukraine in February 2022. The shipments face mounting legal and political opposition. A group of Democratic senators has warned banks and port authorities they could face congressional investigations and legal action for handling the cargo. New Jersey governor Mikie Sherrill has described the deal as "corrupt and illegal" and is examining ways to block unloading in her state. No confirmed US buyers have emerged, with the legal ambiguity and proximity to next Tuesday's midterm elections making commercial participation a risky proposition. Greenpeace Ukraine has tracked the tanker movements using shipping data, producing what it calls the most complete monitoring effort yet. One vessel, the Taurus, is relatively close to US waters, while five others were near the UK at the time of tracking, with three transiting the English Channel. The Kremlin has actively tried to suppress information about the exports — a presidential decree from late September restricted publication of oil export data to help evade international sanctions. The deal's stated rationale — cheaper fuel — has already failed on its own terms. Diesel prices have risen from $6.28 per gallon when the agreement was announced to $6.33, according to the American Automobile Association. Trump's popularity has declined as fuel costs have soared, and polling suggests the House of Representatives could flip to Democratic control in the midterms, with the Senate race too close to call. The human cost of the arrangement is not abstract. On the day the tanker tracking was published, 14 people were killed when a Russian drone struck a crowded train platform in Dnipro, Ukraine. Five more died in strikes on Chernihiv and Kremenchuk. Ukrainian president Volodymyr Zelenskyy has denounced the deal, arguing that revenue from the shipments directly funds the Russian war effort. "Back room deals" give Putin more chances on the battlefield, he said. The White House has reportedly been encouraging US firms to take the diesel, but the combination of legal risk, political toxicity, and midterm timing has left the cargo without a clear destination. The situation exposes the structural tension in Trump's approach: using executive waivers to override legislative sanctions creates transactions that exist in legal limbo, where every intermediary — bank, port, terminal operator — must assess whether congressional subpoena power or executive authority is the greater threat. What emerges is not an energy policy but a geopolitical transaction: Russian war revenue laundered through fuel markets, dressed up as consumer relief that has not materialized, arriving just as voters head to the polls.