Crude oil prices held under $90 per barrel early Monday. On the New York Mercantile Exchange, West Texas Intermediate crude for November delivery shed 85 cents to $89.27 per gallon. Natural gas prices dropped 2.4 cents to $3.372 per million British thermal units. Home heating oil added 0.19 cents to $3.1574 per gallon. Reformulated blendstock gasoline was down 0.64 cents to $2.9461 per gallon. At the pump, the average price for a gallon of regular unleaded gasoline was $3.818 per gallon, up from Sunday\'s $3.814, AAA reported.