revisiting my michilen energy saver tires life.
so now with over 42000 miles on the energy saver a/s tires i have continued to experience a slight increase in mpg over the kumos that were on my prius when i bought it. i am pretty sure the tread is only about 30% gone. so ,so far so good, good wet and dry traction ,not bad noise or comfort, ill check back in in another 10-15k.
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