The sled is powered by two DC electric motors driving a continuous ... This way, you can simply lift the system off the snow when you’re ready to slide downhil, and swing it down again when ...

The idea itself is pretty simple: put an electric motor and battery pack ... from pulling a sled through the snow and giving a beached car a push to pulling logs through the woods ...

They departed northern Minnesota on Feb. 13, powering their motorized sleds across a bare minimum of snow before entering ...