51.   Crude and gasoline futures fell Wednesday at the New York Mercantile Exchange after inventory data weakened refining margins considerably.

52.   He also cited a six-fold decrease in refining margins and record-low petrochemical margins.

53.   Low inventories of heating oil and other refined products will keep refining margins firm, though marketing margins may shrink, he said.

54.   The growth in gasoline inventories has cut into refining margins, forcing many a refinery to lower production in recent weeks.

55.   The refining margin in Thailand is among the lowest in the world since there is a products surplus.

56.   He declined to make a short-term forecast in view of changes in the price of oil and in refining margins.

57.   Analysts attributed the poor first quarter result to lower oil prices and declining refining margins.

58.   Analysts attributed the poor first quarter result to falling oil prices and lower refining margins.

59.   BP also will benefit from a clause giving it a share of future earnings if refining margins improve in the northeast over the next five years.

60.   BP said that the cost of building new refining capacity in the Far East would hit refining margins over the coming months.