source: DrewOtt -
Snow Tires on Flickr - Photo Sharing!
At this time of year I see an increasing number of snow tires on steel rims showing up on cars.
I can't help but wonder about the collective fuel consumption impact of hundreds of thousands (millions?) of vehicles that don't bother adding wheel covers to their snow rims.
We already know that non-smooth wheels/rims eat fuel:
http://ecomodder.com/forum/showthrea...-6-a-4368.html
http://ecomodder.com/forum/showthrea...-7-a-2684.html