Drone Strikes Shrink Russia's Fuel Refining, Forcing Imports and Revival of Banned Grade

Ukrainian drone strikes have cut Russian refining capacity by up to 20%, prompting petrol imports and temporary use of Euro 2 fuel — a dirtier grade banned in 2013 for sulphur levels far above modern limits. Shortages have hit at least 10 regions, with fights at Moscow stations. Analysts warn prolonged scarcity could weaken domestic support for the war.