203 環境効用ポテンシャル評価手法の開発とその応用製品の効用に関する検討(環境影響評価技術(1),廃棄物処理技術)

概要

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In recent years, global environmental problems become aggravated, and the shift to the sustainable society is required. The quantitative environmental load assessment is necessary to achieve the sustainable society. Though various LCA (Life Cycle Assessment) method is developed for such a demand, it is pointed out that there are a lot of problems in existing LCA. To solve such problems, Eco-Efficiency Potential Assessment (E2-PA) is developed. E2-PA is based on the concept of "Eco-Efficiency" and the "Potential Assessment". In this research, we pay attention to "Utility", the numerator element of the E2-PA, of the products. Utility is the quantitative index means the essential factors of products in terms of consumers. We propose a method to quantify the Utility, which is the great merit of E2-PA. The targets in this paper are television, used car, and the notebook computer. Through the analysis of the television's Utility, it was shown to be able to evaluate the product with a different adjustment technology, like CRT, LC and Plasma. On used car, the change in Utility before and after the ELV (End-of-Life Vehicle) Recycling Law was shown. On notebook computer, we took in the consumer's intention by questionnaire in the assessment of the Utility. By this study the necessity of the product development according to the knowledge level of consumers was shown.
2005-07-06