West Texas Intermediate crude has held fairly steady since Friday. Disappointing manufacturing data from China has kept prices from trending higher.
Reformulated blendstock gasoline was off 2.46 cents $2.9787 per gallon. Home heating oil added 0.88 cents to $3.0219 per gallon.
Natural gas dropped 8.6 cents to $3.477 per million British thermal units.
At the pump, the national average price for a gallon of unleaded regular gasoline was $3.631 Monday, down from Sunday's $3.634, the AAA Fuel Gauge report said.