The HD4 off-road moped can also be used as a four-wheeled scooter that can reach a top speed of 25 mph and has a 50-mile range, priced around $19,000 ...

We tested nine leading electric scooters to find the one that can get you where you need to go without breaking a sweat.

The e-motorcycle industry is growing, albeit at a slow pace. Here are some of the coolest electrified two-wheelers we'll see ...