The maximum speed in the air is 62 miles per hour. This propeller-driven motorcycle takes to the skies to beat frustrating traffic — here's when you can buy one first appeared on The Cool Down.

Although you can indeed buy electric Vespas, there are tons of the iconic scooters that are still equipped with combustion engines. If you have one of those classic rides and want to make it electric, ...

And unlike the performance arc that the 60s six-cylinders had, all these bikes are low-slung touring motorcycles, except one.