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Using biodiesel in Yellowstone National Park - final report of the Truck in the Park project

机译:在黄石国家公园使用生物柴油 - 卡车在公园项目的最后报告

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The "Truck in the Park" project was a jointly funded research project which demonstrated the benefits of the use of biodiesel in a tourism-related industry. The National Park Service (NPS) operated a truck in Yellowstone National Park (YNP) for 149,408 km (92,838 miles) on 100% biodiesel fuel produced by the University of Idaho. Participants in this project included Montana Department of Environmental Quality, Wyoming Department of Commerce, NPS, Department of Energy's Regional Biomass Energy Program, Koch Agri-Services, Dodge Truck, Cummins Engine Company, J.R. Simplot, Western States Caterpillar, University of California at Davis, and the University of Idaho. This summary report details the fuel production, engine performance, durability, and engine emissions tests performed on the test vehicle. The test vehicle was a 1995 Dodge 2500 four-wheel-drive pickup with a Cummins B 5.9-liter turbocharged, direct-injected diesel engine. Chassis dynamometer tests showed that the vehicle did not experience a reduction in power over time. Oil analyses, compression, injector tests, and engine and fuel pump teardown inspections also indicate that the engine did not experience excessive wear or deterioration as a result of using biodiesel as a fuel. The durability was considered equivalent or better than diesel fuel. Emissions tests were performed at the beginning (1995) and end (1998) of the project. Results from these tests indicated HC and CO decreased and PM increased as the percentage of rapeseed ethyl ester (REE) was increased. NO_x generally decreased as the percentage of REE was increased. Fuel use increased by 14% from 1995 to 1998. Cold-start emissions data were limited, but it showed that HC, CO, and PM seemed to increase more for diesel cold starts than biodiesel cold starts compared to hot starts with the same fuel. 149,408 km (92,838 miles) of use with 100% biodiesel did not affect the efficiency of the catalytic converter.
机译:该“卡车在公园”项目是这表明在与旅游相关的行业使用生物柴油的好处共同资助的研究项目。国家公园管理局(NPS)操作在黄石国家公园(YNP)一辆卡车由爱达荷大学产生100%的生物柴油燃料149408公里(92838英里)。这个项目的参与者包括戴维斯分校环境质量,商务部怀俄明部门,NPS,能源的区域生物质能源项目部,科赫农业服务,道奇卡车,康明斯发动机公司,辛普劳,西方国家卡特彼勒,美国加州蒙大拿大学系和爱达荷大学。本总结报告详细介绍了燃料的生产,发动机性能,耐用性和发动机排放测试,对测试车辆进行的。测试车辆用康明斯乙5.9升一1995道奇2500四轮驱动拾取涡轮增压,直喷柴油发动机。底盘测功机试验表明,该车辆没有经历功率随时间的减少。石油分析,压缩,喷油器的测试,以及发动机和燃油泵拆卸检查也表明,发动机没有经历过度磨损或恶化使用生物柴油作为燃料的结果。耐久性被认为等同或高于柴油更好。排放试验是在项目开始时(1995年)和结束(1998年)进行。从这些试验结果表明HC和CO减少,PM随着油菜籽乙酯(REE)的百分比增加了。 NO_x的普遍下降为稀土元素的百分比增加。燃料使用增加了14%,从1995年到1998年的冷启动排放数据是有限的,但它表明,HC,CO和PM似乎增加更多的柴油冷启动比相比,具有相同的燃料热启动生物柴油冷启动。用100%的生物柴油使用的149408公里(92838英里)不影响催化转换器的效率。

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