[Luis Marx] had been dreaming of sledding uphill since he was a child, and decided to make his dream come true by building himself a motorized sled (video, in German, embedded below). The sled is ...

Developed by Québécois inventor Yvon Martel, it's called the MTT-136. Those letters awkwardly stand for My Track Technology, and they adorn a design best described as an electric tracked ...

They were old a couple of years back, when they rode snowmobiles from Minnesota to Alaska, a distance of 5,000 miles. They’re older now — 67, 71, and 74 to be exact. And ready again to hop on ...