The price of crude oil rose 42 cents in Friday trading to close at $93.45 a barrel on the New York Mercantile Exchange. Natural gas picked up 6 cents to close at $3.872 per million British thermal units. Gasoline gained 2 cents to rise to $3.16 a gallon. Home heating oil added 1 cent to settle at $2.94 a gallon. At the pump, a gallon of regular unleaded gasoline was $3.69 Friday, down from $3.70 Thursday, AAA Fuel Gauge Report said.