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Well-to-wheel greenhouse gas emissions of heavy-duty transports: Influence of electricity carbon intensity

机译：重型运输的井轮温室气体排放：电碳强度的影响

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摘要

There are several alternatives for how to phase out diesel in heavy-duty transports, thereby reducing the sector?s climate change impact. This paper assesses the well-to-wheel (WTW) greenhouse gas (GHG) emissions of energy carriers for heavy-duty vehicles, analyzing the effect of the carbon intensity of the electricity used in production. The results show that energy carriers with high electricity dependence are not necessarily better than diesel from a WTW perspective. In particular, fuels produced through electrolysis are not well suited in carbon-intense electricity systems. Conversely, waste-based biofuels have low GHG emissions regardless of the electricity system. Battery-electric buses show a large reduction of GHG emissions compared to diesel buses and many other alternatives, while battery-electric trucks have higher GHG emissions than diesel in carbon intense electricity systems. Thus, electrifying transports or switching to renewable fuels will not suffice if the electricity system is not made renewable first.
机译：如何在重型运输中逐步逐步逐步逐步逐步逐步替换柴油。本文评估了重型车辆的能量载体的井到轮（WTW）温室气体（GHG）排放，分析了生产中使用的电力碳强度的影响。结果表明，具有高电力依赖性的能量载体不一定从WTW角度来看柴油。特别是，通过电解产生的燃料不太适用于碳强化电力系统。相反，无论电力系统如何，基于废物的生物燃料都具有较低的温室气质排放。与柴油公共汽车和许多其他替代品相比，电池电动巴士略有减少温室气体排放量，而电池电动卡车比碳强化电力系统中的柴油更高的温室气体排放量。因此，如果电力系统不首先可再生，则通电运输或转换为可再生燃料的情况也不足道。

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