Benchmark U.S. crude oil for January delivery fell $2.63 to $68.23 a barrel Monday. Brent crude for February delivery fell $2 to $71.52 per barrel.
Wholesale gasoline for January delivery fell 3 cents to $2.09 a gallon. January heating oil fell 5 cents to $2.17 a gallon. January natural gas rose 14 cents to $3.83 per 1,000 cubic feet.