A small Finnish electric motorcycle maker is making one of the boldest claims the electric vehicle world has heard in years.

The specs of Donut Lab's solid-state battery are impressive. As are those in the first application, Verge's TS Pro EV motorcycle. But the bike crowd needs a lot more convincing.

Much like a car owner, a motorcycle owner can't just use their chosen mode of transportation without putting in some time and money. Motorcycles require maintenance to run at their best and to keep ...