On-Road Use of Fischer-Tropsch Diesel Blends

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Alternative compression ignition engine fuels are of interest both to reduce emissions and to reduce U.S. petroleum fuel demand. A Malaysian Fischer-Tropsch gas-to-liquid fuel was compared with California No.2 diesel by characterizing emissions from over the road Class 8 tractors with Caterpillar 3176 engines, using a chassis dynamometer and full scale dilution tunnel. The 5-Mile route was employed as the test schedule, with a test weight of 42,000 lb. Levels of oxides of nitrogen (NO{sub x}) were reduced by an average of 12% and particulate matter (PM) by 25% for the Fischer-Tropsch fuel over the California diesel fuel. Another distillate ... continued below

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Clark, Nigel; Gautam, Mridul; Lyons, Donald; Atkinson, Chris; Xie, Wenwei; Norton, Paul et al. April 26, 1999.

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Alternative compression ignition engine fuels are of interest both to reduce emissions and to reduce U.S. petroleum fuel demand. A Malaysian Fischer-Tropsch gas-to-liquid fuel was compared with California No.2 diesel by characterizing emissions from over the road Class 8 tractors with Caterpillar 3176 engines, using a chassis dynamometer and full scale dilution tunnel. The 5-Mile route was employed as the test schedule, with a test weight of 42,000 lb. Levels of oxides of nitrogen (NO{sub x}) were reduced by an average of 12% and particulate matter (PM) by 25% for the Fischer-Tropsch fuel over the California diesel fuel. Another distillate fuel produced catalytically from Fischer-Tropsch products originally derived from natural gas by Mossgas was also compared with 49-state No.2 diesel by characterizing emissions from Detroit Diesel 6V-92 powered transit buses, three of them equipped with catalytic converters and rebuilt engines, and three without. The CBD cycle was employed as the test schedule, with a test weight of 33,050 lb. For those buses with catalytic converters and rebuilt engines, NO x was reduced by 8% and PM was reduced by 31% on average, while for those buses without, NO x was reduced by 5% and PM was reduced by 20% on average. It is concluded that advanced compression ignition fuels from non-petroleum sources can offer environmental advantages in typical line haul and city transit applications.

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OSTI as DE00771099

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  • Government/Industry Meeting, Washington, DC (US), 04/26/1999--04/28/1999

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  • Report No.: SAE/TPS-1999-01-2251
  • Office of Scientific & Technical Information Report Number: 771099
  • Archival Resource Key: ark:/67531/metadc725415

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  • April 26, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • Aug. 8, 2016, 8:09 p.m.

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Clark, Nigel; Gautam, Mridul; Lyons, Donald; Atkinson, Chris; Xie, Wenwei; Norton, Paul et al. On-Road Use of Fischer-Tropsch Diesel Blends, article, April 26, 1999; (digital.library.unt.edu/ark:/67531/metadc725415/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.