Shucks, here in the good ol' USA they won't even set a standard spec for rolling resistance and publish it with the UTQG. We were close to getting that, at least in California, but the lobbyists went to work with a vengeance and we consumers continue on without information.
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Currently getting +/- 50 mpg in fall weather. EPA is 31/39 so not too shabby. WAI, fuel cutoff switch, full belly pan, smooth wheel covers.
Now driving '97 Civic HX; tires ~ 50 psi. '89 Volvo 240 = semi-retired.
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