The price of crude oil added a nickel to reach $93.91 per barrel Tuesday morning on the New York Mercantile Exchange. Gasoline shed 1.11 cents to $3.1099 per gallon. Home heating oil lost 1.27 cents to settle at $2.9053 a gallon. Natural gas dropped 0.4 cents to hit $3.875 per million British thermal units. At the pump, a gallon of regular unleaded gasoline was $3.692 Tuesday, up from Monday\'s $3.685, the AAA Fuel Gauge Report said.