Well-to-Wheels Fossil Energy Consumption and CO2 Emissions of Hydrogen Fuel Cell Vehicles in China

Huan jing ke xue= Huanjing kexue
Ting LinJi-Ming Hao

Abstract

Hydrogen fuel cell vehicles (FCVs) have the advantage of high energy efficiency and zero tailpipe emissions. They have been progressively commercialized in recent years. Hydrogen production has diversified technological pathways, which vary greatly in terms of energy and environmental impacts. In this study, the life cycle assessment (LCA) method was applied to evaluate well-to-wheels (WTW) fossil energy consumption and carbon dioxide (CO2) emissions of FCVs using various hydrogen production pathways. The greenhouse gases, regulated emissions, and energy use in transportation (GREET) model, developed by the Argonne National Laboratory, was applied as the assessment tool, and a China-specific database was investigated and developed to evaluate typical hydrogen production pathways. Then, we compared the WTW fossil energy consumption and CO2 emissions of FCVs with those of gasoline vehicles (GVs), hybrid electric vehicles (HEVs), and battery electric vehicles (BEVs). The results indicated that renewable-energy-based electrolysis of water and biomass gasification are two prospective hydrogen production pathways with significant WTW energy and climate benefits which can help FCVs reduce fossil energy consumption and CO2 emissions by...Continue Reading

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