But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol. Regular 87 octane gasoline in the U.S. contains about 10% of it. This renewable biofuel (made mainly from ...

Stations that offer two grades of petrol will stock E10 (95 octane) and E5 (97+ octane). Thankfully, around 95% of petrol-powered vehicles on the road are compatible with E10 petrol - and this ...

91, 95, 98, E10… You’re used to seeing these specific combinations of letters and numbers every time you visit the petrol station, but what do the different fuel octane ratings actually mean?

More importantly, you will also learn how to select the fuel with the optimum octane rating for your car, so you can extract the best possible performance from it. Let us also say at the outset ...

The standard (95 octane) petrol in UK pumps will be replaced by the new E10 blend, which is compatible with all vehicles built after 2011, the Government's website states. However, although 95 per ...