Benchmark US crude for December deliveries fell 35 cents to $79.73 a barrel on Monday. Brent crude for January deliveries fell 17 cents to $87.45 a barrel.
Wholesale gasoline for December deliveries rose 2 cents to $2.44 a gallon. Heating oil in December fell 2 cents to $3.50 a gallon. Natural gas rose 48 cents to $6.78 per 1,000 cubic feet in December.