REFORMULATED FUELS-CONCLUSION OPTIONS TO MEET 1990S FUEL COMPOSITION RULES LIMITED

George H. Unzelman HyOx Inc. Fallbrook, Calif. Reduction of aromatics in gasoline and diesel fuel, and reducing gasoline vapor pressure below current levels while maintaining fuel quality at current levels required by the consumer, will be tough challenges for U.S. refiners. A study of the current U.S. gasoline pool composition implies that processing changes are feasible to reduce average summer Rvp to 9 psi, and to reduce gasoline aromatics content from 32 to 30 vol % (close to 28 vol % if

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