This was requested by want2buyvx, better late then never. ;P
It's a list of rolling resistances of tires made by Goodyear, Michelin, and BF Goodrich dated September 2005.
While newer tires may not be on the list there are quite a few still being made if you want to go for a lower rolling resistance for your next set of tires.
My '08 Cobalt XFE tires are listed here and a set of tires used on the Prius and a few other high fuel efficient vehicles.
http://onlinepubs.trb.org/Onlinepubs...tance_Data.pdf
If anyone can find a newer version or one with some of the other manufacturers tires listed please add that to this post.
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