Oil tumbled Friday to the lowest level in a year, as government data pointed to further economic troubles ahead of a traditionally weak time for petroleum demand.
Here's how energy contracts traded:
On the New York Mercantile Exchange:
Crude dropped $2.94, or 3.6 percent, to finish at $79.20 per barrel.
Gasoline lost 2 cents to end at $2.5381 per gallon.
Heating oil gave up 4.73 cents to finish at $2.7793 per gallon.
Natural gas fell 8.1 cents to end at $3.666 per 1,000 cubic feet.
On the ICE Futures exchange in London:
Brent crude fell $1.19 to end at $102.76 per barrel.