Reducing energy consumption and environmental pollution of road transportation is one of the major challenges to China’s commitment to sustainable development. This paper aims to establish the LCA model of solid oxide fuel cells-based auxiliary power unit (SOFC-APU) for heavy vehicles with Chinese background for analysis of potential environmental benefits of its implementation in China. First, the LCA of the SOFC power using natural gas as the cells’ fuel is performed using eBalance, which is the Chinese LCA software with high quality domestic underlying database, and the results show that the fuel production phase is a major contributor to SOFC-APU’s life-cycle environmental impacts. Then the comparative LCA analysis of SOFC-APU using biomass ethanol from different feedstock planting areas in China is presented and results show that using corn-based ethanol fuel can potentially lower the lifecycle environmental impacts of SOFC-APU by 37.7%.

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