It was 10 years ago that we first heard about Cocoa Motors' new WalkCar, which was used more or less like a Segway, and wasn't much bigger than a laptop. Well, it now has a new-and-improved successor.

A Japanese startup will introduce an all-terrain electric wheelchair in 2026 that allows users to climb and descend stairs, and board trains and buses without assistance, with plans to develop a model ...