Here's an odd little commuting curiosity from Romania called the Carpii 4ciclet. It's a four-wheeled stepper cycle targeted at older riders that transfers most of the pedaling work from the quads over ...

Warren McLaren was one of the earliest writers for TreeHugger, where he covered a wide range of topics, including eco-design, retail and outdoor education. A German development team debuted an ...

Got a little one on a balance bike or 12" wheel pedal bike ready for his or her first big kid’s bike? Marin-based Cleary Bikes hopes to make your short list. The young company joins Isla Bikes, which ...

Four ladies are baffling bike shop mechanics, riding a custom-made quad tandem bike across Australia for charity.

A proposed rule update in New York will pave the way for four-wheeled electric cargo bikes, which look like small delivery vans with bicycle pedals, to share the bike lanes and roads. Four-wheeled ...