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Assessing the impact of bus technology on greenhouse gas emissions along a major corridor: A lifecycle analysis

机译：评估公交技术对主要走廊温室气体排放的影响：生命周期分析

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摘要

This paper evaluates the impact of alternative bus transit technologies including compressed natural gas, biodiesel, and diesel-electric hybrid on greenhouse gas emissions along a busy transit corridor using a lifecycle analysis approach. In addition, we compare the operational emissions of buses running on these technologies using an instantaneous speed and an average speed model. Our results indicate that operational emissions make-up the largest portion of lifecycle emissions. When comparing instantaneous and average speed emissions we find that both methods produce consistent results for diesel, however, the average speed method underestimates biodiesel emissions by 21% and overestimates compressed natural gas emissions by 16%. Bus technologies ranked in increasing order of lifecycle greenhouse gas emissions are: hybrid, compressed natural gas, biodiesel, and conventional diesel.
机译：本文使用生命周期分析方法评估了包括压缩天然气，生物柴油和柴电混合动力在内的替代公交技术对沿繁忙公交走廊的温室气体排放的影响。此外，我们使用瞬时速度和平均速度模型比较了运行这些技术的公交车的运行排放。我们的结果表明，运营排放构成了生命周期排放的最大部分。当比较瞬时和平均速度排放量时，我们发现两种方法都能产生一致的柴油结果，但是，平均速度方法将生物柴油排放量低估了21％，将压缩天然气排放量高估了16％。在生命周期中，温室气体排放按升序排列的公交技术有：混合动力，压缩天然气，生物柴油和常规柴油。

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  • 来源
    《Transportation Research》 |2013年第5期|7-11|共5页
  • 作者

    Sabrina Chan; Luis F. Miranda-Moreno; Ahsan Alam; Marianne Hatzopoulou;

  • 作者单位

    Department of Civil Engineering and Applied Mechanics, McGill University, Macdonald Engineering Building, Rm. 492, 817 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6;

    Department of Civil Engineering and Applied Mechanics, McGill University, Macdonald Engineering Building, Rm. 492, 817 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6;

    Department of Civil Engineering and Applied Mechanics, McGill University, Macdonald Engineering Building, Rm. 492, 817 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6;

    Department of Civil Engineering and Applied Mechanics, McGill University, Macdonald Engineering Building, Rm. 492, 817 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    transit emissions; alternative fuels; emission modeling; lifecycle analysis;

    机译：过境排放;替代燃料;排放建模;生命周期分析;

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