If you’re [James Bruton], you design and build a mini electric bike. Being a prolific builder, [James] already had the parts he needed. Some of them were left over from previous projects ...

DIY electric bikes made easy with Rubbee [w/video] Hey, it may not be the coolest looking thing in the world, but the newfangled Rubbee electric-bike kit will get you across town without pedaling ...

like this rather cool electric quad It’s an impressive build, including two 1 kW motors and a tilting turning system that makes it more maneuverable than most quad bikes. It has big ...

Add the rider weight to the 100-pound weight of the bike, and even then it's clear that the 24-hp equivalent motor is still ...

It's tough to fit ICE powerplants into small machines due to the engines' size, weight, and cost, but you need to try not to ...