Oil benchmarks dropped under pressure from progress in US-Iran talks in Switzerland and the issuance of a 60-day sanctions waiver for Iranian crude exports, accelerating recovery through the Strait of Hormuz.
Front-month West Texas Intermediate crude futures dropped 1.2% to $72.96 per barrel, while Brent futures were down 0.9% to $77.17/bbl.
"The gradual increase in oil flows through the Strait of Hormuz continues to weigh on the market, while positive signals from US-Iran talks in Switzerland have weighed on sentiment," ING analysts said.
US President Donald Trump said on Tuesday that about 19 million barrels of oil transited through the Strait of Hormuz on Monday.
The US Treasury Department's Office of Foreign Assets Control issued "General License X" on Monday, granting a 60-day waiver that permits the production, delivery, and sale of Iranian-origin crude, petroleum products, and petrochemicals through Aug. 21.
While Middle Eastern supply expands, refined-product markets face distinct structural constraints.
Russia is actively considering importing fuel and offering heavy domestic price subsidies to combat mounting gasoline and diesel shortages, Reuters reported Tuesday, citing Russian newspaper Vedomosti.
The move follows a series of Ukrainian drone strikes that have severely damaged Russian domestic refining infrastructure and forced localized fuel rationing.
The oil market now awaits crude inventory data from the US Energy Information Administration due on Wednesday.