Benchmark U.S. crude oil for September delivery fell $4.73 to $93.89 a barrel Monday. Brent crude for October delivery fell $3.94 to $100.03 a barrel.
Wholesale gasoline for September delivery fell 11 cents to $3 a gallon. September heating oil fell 11 cents to $3.44 a gallon. September natural gas rose 5 cents to $8.28 per 1,000 cubic feet.