The world of automobiles is vast and diverse, with innovations that have occasionally challenged traditional concepts of vehicle design. Among these innovations are three-wheeled cars, which have ...

Most cars use four wheels, so the idea of driving one with only three sounds strange at first. Yet some engineers and builders discovered that three wheels can still create a surprisingly capable ...

What do the Elio, Aptera,{}Toyota i-Road concept{}and the spectacularly awful Zap Xebra have in common? They--and many more small-volume economical vehicles and concepts besides--all use one fewer ...