Oil fell below $90 in early trading Monday as economic growth slowed in China, Bloomberg News reported.
Crude futures, which have not closed at below $90 since December, were trading at $89.78 in early New York Mercantile Exchange trading, Bloomberg reported.
Oil had finished last week’s Nymex trading at $91.29 a barrel, a five-week low.
Brent crude oil, which traded in Europe, fell to a nine-month low on Monday, Bloomberg said.
The Department of Energy will release its weekly survey of diesel and gasoline prices Monday afternoon in Washington.