A lot of vehicles that used to only run on human power have been electrified: bikes, scooters and skateboards. Their offer of greater speed and ease of use has encouraged travelers and ...

Lithium-ion batteries are energy powerhouses, renowned for their long life and capacity to store high energy at a reasonable cost. They power an array of devices we’ve come to rely on, from ...

Q: I was wondering about the electric scooters that are so popular these days. Are there regulations on who may ride one? I saw a person riding one the other day and it looked to me like it was a kid ...