Oil fell with demand concerns at the fore as the US Department of Energy walked back expectations of its plan to restock petroleum reserves and China considered allowing more fuel exports.
Oil dropped as a pipeline carrying Russian crude to Europe was reported to have restarted and tensions over Poland eased, pushing demand concerns to the market's forefront.
Oil fell, with the US benchmark tumbling below $90 a barrel, as worries about further interest rate increases and a slowdown in the economy roiled broader markets.
Oil fell as concerns about a longer period of elevated interest rates weighed on broader sentiment, countering signs of a tightening physical oil market.
Oil ended volatile session lower as a stronger U.S. dollar offset a potentially bullish impact from plans by the U.S., European Union and Group of Seven nations to install new round of sanctions on Russia.
Oil's rally evaporated amid signals that Democrats are considering more energy legislation as they and the White House face increasing pressure to curb US energy costs and inflation.
Oil plunged after a US inventory report signaled slowing demand and the Organization of Petroleum Exporting Countries agreed to a small production increase in September.