Now, we have interviewed Donut Lab’s CEO and investigated the technology. At this point, it looks like either this battery ...

The race to reinvent the electric vehicle battery has a new, audacious front‑runner. A Finnish startup spun out of a high‑end ...

I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...

It's difficult to form a protective coating that prolongs battery life at the battery's cathode, but there may be a low-cost ...

The recent two-alarm fire hit a commercial complex with multiple businesses. Footage from the fire shows e-bikes outside of ...

The Seattle-based e-bike company did not share a cause for the fire, which happened when the store was closed.

Fires sparked by lithium-ion batteries—which are used to power electric bicycles—have proven to be violent, fast-moving and tough to extinguish. So far this year, the FDNY says 66 fires have been ...

The best electric bikes at any price level? We've tested them all, and here are the best e-bikes for any budget and every ...

Chinese battery maker unveils an 80 kWh plug in hybrid battery pack, claiming the world’s largest capacity for PHEVs.

The startup’s invention seems to check off most of the remaining EV-battery wish-list boxes. But it's cagey on how exactly it cracked the code on solid-state batteries.