Crude oil settles down - UPI.com NEW YORK, July 20 (UPI) -- Crude oil prices closed down Friday, losing $1.22 to $91.44 a barrel on the New York Mercantile Exchange. Gasoline gained less than a penny to settle at $2.94 a gallon. Home heating oil lost 2 cents to end the session at $2.92 a gallon. Natural gas posted an 8-cent gain to close at $3.08 per million British thermal units.