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Comparative environmental assessment of Athens urban buses-Diesel, CNG and biofuel powered

机译：雅典城市公交车（柴油，压缩天然气和生物燃料动力）的比较环境评估

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摘要

Greenhouse gases (GHGs) emitted by road transport vehicles as a direct result of fossil fuel combustion and other environmental pollutants released throughout the life cycle of petroleum based fuels, encourage a shift towards alternative transport fuels. Within this frame, an environmental assessment was performed so as to evaluate the environmental implications of alternative fuels (natural gas and biofuels) penetration in the city buses of the city of Athens. The results are evaluated in terms of CO_2, CO, HC, PM and NO_x emissions. The findings show that CO_2 emissions are significantly reduced in CNG buses compared to diesel powered buses. CO_2 emissions can also be reduced by 7.85% in B10 blends and 78.45% in B100 blends, compared to diesel. The environmental assessment can be considered as a basis so as to investigate the viability of replacement of petroleum- based diesel with natural gas and biofuels in city transport buses. Concepts for sustainable bus transportation can be incorporated using the methodology defined in this study, in order to promote a sustainable transportation system and mitigate the climate change.
机译：在石油基燃料的整个生命周期中，化石燃料燃烧和其他环境污染物释放的直接结果是，公路运输车辆所排放的温室气体促使人们转向替代运输燃料。在此框架内，进行了一项环境评估，以评估替代燃料（天然气和生物燃料）渗透到雅典市内公交车的环境影响。根据CO_2，CO，HC，PM和NO_x排放评估结果。研究结果表明，与柴油动力公交车相比，CNG公交车的CO_2排放量显着降低。与柴油相比，B10混合燃料中的CO_2排放也可以降低7.5％，B100混合燃料中的CO_2排放也可以降低78.45％。可以将环境评估作为基础，以研究在城市运输巴士中用天然气和生物燃料替代石油基柴油的可行性。可以使用本研究中定义的方法来纳入可持续公交运输的概念，以促进可持续交通运输系统并缓解气候变化。

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  • 来源
    《Transport policy》 |2014年第9期|311-318|共8页
  • 作者

    E.A. Nanaki; C.J. Koroneos; G.A. Xydis; D. Rovas;

  • 作者单位

    University of Western Macedonia, Department of Mechanical Engineering, Bakola and Sialvera, 50100 Kozani, Greece;

    Laboratory of Heat Transfer and Environmental Engineering, Aristotle University of Thessaloniki, PO Box 483, 54124 Thessaloniki, Greece;

    Centre for Research and Technology Hellas, Institute for Research & Technology of Thessaly Technology Park of Thessaly, 1st Industrial Area, 38500 Volos, Greece;

    Laboratory of Heat Transfer and Environmental Engineering, Aristotle University of Thessaloniki, PO Box 483, 54124 Thessaloniki, Greece;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Climate change; City public transportation; Environmental assessment; Athens;

    机译：气候变化;城市公共交通;环境评估;雅典;

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