I have a 2013 CMAX Hybrid with 246k miles with Michelin Energy Savers and I used 50 psi pretty much from the beginning. I have gotten up to 95k miles on the tires, door sticker is 38 psi and MAX is 51 psi. I have been averaging about 52 mpg for the last three years. I talked to Michelin Rep and he said he didn't have a problem with using 50 psi If I was getting even tire wear. Apparently the tires can take up to 200 psi.
Paul
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