2023’s Top Stories About Energy

Energy storage and nuclear fusion—two reliable crowd pleasers when the crowd you’re talking about is readers of IEEE Spectrum—are well represented among our most widely read energy stories of 2023. But atop the list are a couple of surprises. Number one? Heat pumps. Number two? A real corker, and the answer to the question, what generates electricity but isn’t a dynamo or a fuel cell?

Here are the 10 most popular AI articles that Spectrum published in 2023, ranked by the amount of time people spent reading them.

1. Heat Pumps—The Well-Tempered Future of A/Cs

A window-mounted…