negawatt
n.— «I think the most promising new energy source isn’t new, and it isn’t a source. It is energy efficiency. We still have a lot of low-hanging fruit—what Amory Lovins refers to as the negawatt. The most efficient thing you can do by far is reduce demand for energy.» —“Power Q&A: Christina Page” by Justin Elliott Mother Jones Apr. 21, 2008. (source: Double-Tongued Dictionary)
Further reading
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