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Boosting fuel efficiency: how to improve gas mileage in cars
Boosting fuel efficiency is achieved by maintaining proper tyre pressure, reducing vehicle weight, avoiding aggressive ...
Q. Is it necessary to use premium 91 octane gas or can I safely use regular 87 octane in my 2017 Acura RDX? What about mid-grade 89 octane? A. Acura recommends 91 octane fuel, and the key word is ...
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