Quote:
Originally Posted by oil pan 4
I have determined that a worn out ecopoia 442 is about as efficient as an energy saver A/S. Tires are most at their most fuel efficient when they are on the wear bars.
Now there's a new style of energy saver tire with a new tread pattern, don't know how these stack up again the ecopoia 442.
These 2 tires have been the top 2 for fuel economy. It looks all testing an observation support that.
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the regular ecopias or the plus? the plus versions they said have a 20 percent improvement in fuel economy over the regular ecopia