There was a research paper at https://greenlab.di.uminho.pt/wp-content/uploads/2017/10/sle... a few years ago that attempted to evaluate the energy efficiency of many programming languages and that paper got a moderate amount of attention on the web [1] [2]. It probably shouldn't come as much of a surprise but programs that require less clock or CPU time can and usually do result in less energy usage. This paper and this video just help prove that a bit more.
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[2] https://news.ycombinator.com/item?id=24642134