Every time you roll up to the pumps, you are presented with several variants of gasoline with proprietary names (Shell's ...

Should I keep on using it with the higher octane rating, or will I get the same effect with the E10 product? btw, just an observation. My Altis seems to consume more when its on E10 (Shell/Petron ...

Mixing petrol grades, such as 91, 95, or 98, can be a concern for drivers, especially when higher-octane fuels are unavailable. Understanding how octane ratings work and their impact on your vehicle ...