November delivery of West Texas Intermediate crude oil gave up $1.31 cents to $89.13 per barrel on the New York Mercantile Exchange.
Natural gas prices lost 1.4 cents to $3.438 per million British thermal units. Home heating oil lost 0.3 cents to $3.076 per gallon. Reformulated blendstock gasoline lost 2.28 cents to $2.6412 per gallon.
At the pump, the average price for a gallon of regular unleaded gasoline was $3.665 per gallon, down from Sunday's $3.776, AAA reported.