Crude oil prices have tracked downward since July amid signs of declining demand accelerated by weak economies.

Crude oil prices fell $3.09 to $43.68 per barrel. Heating oil prices fell 0.0718 cents to $1.5092 per gallon. Reformulated blendstock gasoline dropped to less than $1 per gallon, losing 0.0648 cents to 96.57 cents per gallon. Natural gas prices lost 0.347 cents to $6.03 per million British thermal units.

At the pump, the average price for a gallon of regular unleaded gasoline was $1.789 Thursday, down from Wednesday's $1.803 a gallon, AAA said.