SPORTS enthusiast has developed the first all weather, four-wheel e-bike that looks exactly like a miniature car. Design ...

Durangoans are used to seeing some odd contraptions with wheels, but Nate Curmano’s side-by-side, four-wheel recumbent bicycle has attracted considerable attention from passersby. From the ...

The following four-wheeled bikes are notable for their completely unique design, high-tech features, and awesome environmental benefits.

The group includes a futuristic e-bike/scooter combo, a competitive all-arounder, a three-wheeler, and a folding model.

Pedal power: the four-wheeled transport, called Quikey, Australians Roger Chao and Megan Kerr plan to ride more than 7,450 miles across Russia and Asia.

Four-wheel leaning suspension is what you need to drive a quad bike on any type of terrain. Meet the 900 GS AWD Hybrid Adventure Quad from Wesll.

The bike, called SHIFT, was created by an industrial design professor and two students. Their designed topped 853 entrants from 56 countries to win the $15,000 first prize in the 9th International ...

I’m thinking about switching my daily commute from four wheels to two. But I’m concerned about all the energy it takes to manufacture and ship a new bicycle. How many miles would I need to ...