The e-bike revolution started with the pandemic and has been hailed as the answer to everything from traffic congestion to greenhouse gas emissions to fitness to depression. Indeed, it has the ...

NEW YORK, NEW YORK - JUNE 20: Firefighters work outside a building in Chinatown after four people were killed by a fire in an e-bike repair shop overnight on June 20, 2023 in New York City.

Your next e-bike or robot vacuum might not have a lithium-ion battery. The ubiquitous batteries have problems—they’re slow to charge, wear out quickly, and sometimes lead to catastrophic fires. But ...

Often times, e-bikes seek to build the biggest battery with the most range. But what if you want to take a couple lunch loops on your bike and only need 20 minutes of charge? That’s [Seth] from Berm ...