You're probably familiar with the term E87 gasoline, but how much ethanol is actually in it? Here's everything we know about ...

However, there are additives in premium petrol that can ... "Also, if you have an older car that cannot run on 10% ethanol, then premium fuel with 5% ethanol is obviously a must-have.” ...

I am fortunate to have and look after a 1969 Daimler Sovereign (420). I am having to use E5 fuel and would appreciate your guidance on which additive(s) would help protect the Jaguar XK engine? I ...