EXXON <XON> RAISES HEATING OIL PRICE, TRADERS Oil traders in the New York area said Exxon Corp's Exxon U.S.A. increased the price it charges contract barge customers for heating oil in New York harbor by 1.5 cts a gallon, effective Saturday, March 7. They said the increase brought Exxon's contract barge price to 50 cts a gallon. Traders said the price hike followed higher spot and futures market prices for heating oil.