Electric two-wheel vehicles

The Segway ( ) is a two-wheeled, self-balancing personal transporter invented by Dean Kamen. The name is a registered trademark of Segway Inc. It was brought to market in 2001 as the Segway HT, and then subsequently as the Segway PT. HT is an initialism for "human transporter" and PT for "personal transporter".

battery-powered electric vehicle

dicycle