Life cycle environmental impacts of natural gas drivetrains used in road freighting

被引：4
作者：
Cooper, Jasmin [1 ,2 ]
Balcombe, Paul [1 ,3 ]
机构：
[1] Imperial Coll London, Sustainable Gas Inst, London SW7 1NA, England
[2] Imperial Coll London, Dept Earth Sci & Engn, London SW7 2AZ, England
[3] Imperial Coll London, Dept Chem Engn, London SW7 2BP, England
来源：
26TH CIRP CONFERENCE ON LIFE CYCLE ENGINEERING (LCE) | 2019年 / 80卷
基金：
巴西圣保罗研究基金会;
关键词：
natural gas; life cycle assessment; heavy duty trucks; road freight; climate change; global warming; ALTERNATIVE FUELS; EMISSIONS;
D O I：
10.1016/j.procir.2019.01.070
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The displacement of diesel in the road freight sector by natural gas could cut the sector's environmental impacts but methane emissions risk eliminating this benefit. A life cycle assessment has been performed to compare natural gas fuelled trucks to diesel, biodiesel, dimethyl ether and electric (UK grid mix), on impacts to climate change, air quality and resource depletion. LNG drivetrains exhibit climate change impacts lower than diesel (17-21%) and similar to electric drivetrains, but CH4 emissions will negate any benefits if they exceed 3.5% of throughput for typical fuel consumption. However, this is much higher than measured slip from current natural gas trucks. Biodiesel exhibits the lowest GHG emissions but for compressed natural gas, only at lowest fuel consumption and negligible methane emissions does this option reach climate parity with diesel. For the other indicators, natural gas exhibits lower impacts (11-66%) than diesel and is the best performer for all the indicators while electric and biodiesel are the worst. (C) 2019 The Authors. Published by Elsevier B.V.
引用
收藏
页码：334 / 339
页数：6
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