Through the addition of a simple box with brick, ceramic insulation and iron, California-based Rondo Energy can help ethanol plants store energy onsite, for a CI-point reduction of between 22 and 27, depending on the geographical location and existing electricity profile of an ethanol plant.

On June 19, the fashion giant’s investment arm revealed a previously undisclosed investment in “brick battery” company Rondo Energy. Together, the companies hope to replace the coal that powers H&M’s supplier mills with providers of renewable energy and Rondo’s thermal batteries for power storage.

Industries produce 25 percent of America’s planet-warming emissions be so far have proved very hard to clean up. The Biden Administration is trying.

The Department of Energy is funding a slew of projects to slash greenhouse gas emissions from manufacturing mac and cheese, ice cream, whiskey, steel, cement, and more

Electro-thermal batteries’ selling point is they can heat up bricks and rocks using cheapest six hours of electricity in any given day.