Benchmark US crude for December deliveries fell 82 cents to $91.79 a barrel on Monday. Brent crude for January delivery fell 65 cents to $97.92 a barrel.
Wholesale gasoline for December deliveries fell 8 cents to $2.65 a gallon. Heating oil in December fell 13 cents to $3.78 a gallon. On December 10, natural gas rose 54 cents to $6.94 per 1,000 cubic feet.