Quote Originally Posted by TFOGGER View Post
Back when my dad was a kid, they used to put crushed walnut shells in the tread compound of winter tires. It was a good, cheap, environmentally friendly, road friendly solution that worked well. So, naturally, they stopped doing it.
Still used. http://www.toyotires.ca/technology/microbit-technology and http://www.nittotire.com/passenger-t...s-winter-tire/ I have studded tires. They give up a little in the wet/dry but then the advantage in the ice is worth it.