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美国运转的炼油厂数稳步下降 ,已从 1974年的 2 73座减少到 2 0 0 0年的 15 5座 ,炼油能力从 1981年的 930Mt/a峰值降低到 2 0 0 0年的 82 6Mt/a。炼油厂平均加工能力现为 5 .33Mt/a。能力利用率已由 1981年的 6 8.9%增加到92 .6 %。美国环保局汽柴油燃料硫含量新规范
The steady decline in the number of refineries operating in the United States has decreased from 2 73 in 1974 to 15 5 in 2000. The refining capacity has dropped from a peak of 930 Mt / a in 1981 to 82 6 Mt / a. The refinery average processing capacity is now 5.33Mt / a. Capacity utilization has risen from 69.9% in 1981 to 92.6%. EPA new specification for sulfur content in gasoline and diesel fuels