Quote:
Originally Posted by Mile muncher
I could see this being more about emissions standards than absolutely minuscule MPG improvements.
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Actually, the fuel saving is not minuscule at all.
Edmunds did a test, and they got 2.9 to 10.9% fuel saving.
https://www.edmunds.com/car-reviews/...save-fuel.html
And in this test, ASS managed 10% fuel saving: