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A Life-Cycle Assessment of Biofuels

by: Sara Krauskopf

A life-cycle assessment (LCA) is a tool used by engineers to make measurements of net energy, greenhouse gas production, water consumption, and other items of concern. This article describes an activity designed to walk students through the qualitative part of an LCA. It asks them to consider the life-cycle costs of ethanol production, in terms of both energy consumption and carbon dioxide emissions. In the process, they trace matter and energy through a complex fuel-production system.

Level

High School

Details

Type Journal ArticlePub Date 12/1/2010Stock # tst10_077_09_35Volume 077Issue 09

NSTA Press produces classroom-ready activities, hands-on approaches to inquiry, relevant professional development, the latest scientific education news and research, assessment and standards-based instruction.

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