Repeated Ukrainian drone strikes and repair problems are steadily degrading Russia's oil refining system, according to the International Energy Agency.

Repeated Ukrainian drone strikes and repair problems are steadily degrading Russia's oil refining system, according to the International Energy Agency. The IEA lowered its refining forecast to around 4 million barrels per day, about 30% below the level before the full-scale invasion. The agency said the industry's actual problems could be even more serious.