Oil prices fell to near US$108 a barrel Tuesday, the Associated Press reported. In other Nymex trading, heating oil futures fell 2.52 cents to US$3.018 a gallon, while gasoline prices dropped 5.10 cents to US$2.653 a gallon. Natural gas for October delivery rose 3.3 cents to US$7.691 per 1,000 cubic feet. In London, November Brent crude fell US$1.70 to US$104.34 a barrel on the ICE Futures exchange.