Skepticism grows around Donut Lab’s “impossible” battery as experts debate capacitor-like behavior and scarce independent test data.

A small Finland-based startup claims to have made a big, solid-state battery breakthrough. Now, the industry is asking for proof. Earlier this month, a little-known Finnish startup shocked the world ...

Roughly three months ago, electric motorcycle startup Verge Motorcycles announced something huge, claiming its updated Verge ...

The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, according to its first independent test. The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, ...

Donut Lab unveiled tests this week demonstrating its battery's charging capability. Experts still have big questions—about cycle life and performance at the pack level. Donut Lab is releasing more ...

What if the future of energy storage was already here, quietly reshaping how we power our lives? Two Bit da Vinci walks through how a small Estonian company, Donut Lab, claims to have developed the ...

The challenges to mass adoption are substantial, but the benefits could be game-changing. The phrase "what's under the hood" is rapidly reaching obsolescence. For cars powered by internal combustion, ...

Forbes contributors publish independent expert analyses and insights. U.K.-based Neil Winton covers the European Auto industry. Solid-state batteries have been hailed as a game-changer for electric ...

Writer and occasional reluctant perpetrator of engine swaps, James O'Neil is a malaise era enthusiast and also fascinated by the many ways the auto industry has since recovered from those dark days.

Earlier this month, a little-known Finnish startup shocked the world when it claimed to have beaten Toyota, Samsung, LG Energy, Quantumscape and any number of Chinese automakers at commercializing the ...