Originally Posted by REDSC400
Here in the USA we pretty much have no choice on Ethanol additives in gas. The grades offered here pretty much all do 10% Ethanol as a component, with the exception of some racing fuels.
Are the Octane ratings you have posted (R+M)/2 ?
I'm sorry to expose my ignorance of your terms...?
I've no idea what (R+M)/2 means - unless you defime values for R & M...
(did you see anything about this in the URL's)
PS> The 95 octane URL has a data sheet (PDF) and refers to RON...?