Benchmark U.S. crude oil for June delivery fell 26 cents to $79.80 per barrel Monday. Brent crude for July delivery fell 27 cents to $83.71 per barrel.
Wholesale gasoline for June delivery fell 3 cents to $2.54 a gallon. June heating oil was unchanged at $2.49 a gallon. June natural gas rose 12 cents to $2.75 per 1,000 cubic feet.