How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will it birth, how much surface will it take up, where will it appear first?

Northvolt says new lithium-free sodium-ion battery is cheaper, more sustainable and doesn’t rely on scarce raw materials

The globe could be "nearing the point of falling power sector emissions."

An enhanced geothermal system expands the range of sites able to be tapped for geothermal energy, and Fervo’s demo is the first time a company has shown it can be done on this kind of commercial scale.