While many people enjoy dirt-biking, they often can't afford the truck or trailer necessary to transport the things. That's why Stanford University aerospace engineering grad Dak Steiert created the ...

They may look ungainly, but the aerodynamic advantages of recumbent bikes and trikes give them an edge – especially if you throw a 4 kW wheel hub motor into the mix. Case in point is the Mark 5 Super ...

When it comes to electric transportation, it’s hard to beat an electric bicycle on efficiency. They are lightweight, narrow and can cram batteries in the negative space of standard bike frames. But ...