John Rogers

Senior energy analyst

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John Rogers is a senior energy analyst at the Union of Concerned Scientists with expertise in clean energy technologies and policies and a focus on solar, wind, and natural gas. He has appeared numerous times on radio and television, and has been cited in many local and national publications. He earned a bachelor’s degree at Princeton University and a master’s degree in mechanical engineering at the University of Michigan. See John's full bio.

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Do You Live in the Most Energy Efficient State? Here Are the Winners

The latest rankings for the most energy-efficient states are out. And the winners are…

ACEEE (the American Council for an Energy-Efficiency Economy) has released its 2019 state energy efficiency scorecard—its 13th edition. ACEEE’s annual release is always welcome, as a chance to take stock of where we are—where state leadership is—in moving along one of our most powerful tools for energy sector progress.

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ACEEE 2019
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In Honor of Sesame Street’s 50th, the ABCs of Clean Energy Momentum

With Sesame Street celebrating a milestone birthday (50!), it seems fitting to offer a tribute. So here, in honor of the Street’s long-standing commitment to things alphabetic, are the ABCs of clean energy momentum.

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Solar Energy Industries Association
Union of Concerned Scientists
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Untwisting Supercoiled Fibers Produces Decreased Surface Temperatures
Credit: University of Texas at Dallas

The Power of Energy Innovation (Have Fishing Line, Will Cool?)

“Twistocaloric” cooling technology, spelled out in Science, is based on an amazingly simple concept: the property of materials—think rubber bands, for example—to heat up when stretched, and cool down when released. These innovations (and similar recent work on elastocaloric cooling) are aimed straight at the heart of a major consumer of electricity: Cooling for refrigeration and air conditioning account for a fifth of global electricity demand in buildings, and are poised for lots of growth. Any successful efficiency improvements in that sector could be huge, and with twistocaloric cooling we’re talking about systems potentially 20% more efficient than our current (vapor-compression) technology. Read more >

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The Climate Strike Inspires. So Do These 5 Signs of Clean Energy Progress

Climate change is serious. So are the tools we have for addressing it. Here are 5 images of clean energy progress to keep in mind. Read more >

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How Can I Choose My Electricity? Options that Make a Difference Personally and Nationally

If you’re getting a roommate, you might end up spending a lot of time together, so choosing a good one is something you probably want to give a lot of thought to.

The same is true for the energy that keeps your lights on. It’s why we just released a new video on the topic. The good news is that we’ve got a big range of clean options when it comes to choosing our electricity supply, as consumers and constituents, from the personal to the national. Options that can reduce waste, save money, and forestall the worst effects of climate change.

In other words, electricity choices we can all live with.

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Photo: Recurrent Energy
Photo: John Rogers
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