Life Cycle Assessment of Motor Bike and Electric Bike in Urban Areas of China

摘要

Motor bikes (m-bike) and electric bikes (e-bike) are widely used in urban areas of China. Life cycle assessment of m-bike and e-bike are presented to compare their energy use and environmental emission in a life cycle span. An m-bike and an e-bike are disassembled to collect material composition data for the life cycle assessment. The results show that e-bike consumes less energy and has less global warming potential (GWP), biochemical oxygen demand (BOD), chemical oxygen demand (COD), suspended solids (SS), dissolved solids (DS), hydrocarbons (HC) than m-bike during life cycle. But e-bike generates more solid wastes, and more acidification potential (AP), heavy metal (HM) than m-bike. Advanced batteries and clean coal fired power plant technologies are recommended to promote e-bike use in urban area.