抄録
LCA (life Cycle Assessment) is a method for evaluation environmental impact of product life cycle. The scope of evaluation is from resources extraction to disposal. LCA is used as a tool for design in consideration of life cycle environment. (ES)^3 is the lightweight concept car that has some technology for fuel-efficient and low emission. The aluminum body was adopted as one of the lightweight technology. We have done LCA in order to evaluate environmental improvement effect of not only running phase but also total life. This report introduces the LCA result.