A Self-Powered Treaded Skateboard That Can Plow Through Any Terrain

The smallest rock can topple even the most skilled skateboarder. And if your town is devoid of smooth, safe skateparks and half-pipes, maybe it's time to upgrade your gear? With a set of spiked treads and a four-stroke engine, Dan Baldwin's Ungoverned will happily plow through gravel, dirt, snow—pretty much any… » 10/29/13 9:21am 10/29/13 9:21am