Fuel type

[fireblade98]

Blimey Tim, do you work in the pretroleum industry by any chance .  Great answer with lots of info and I shall pass it on with the others, many thanks to all.  
Cheers, Caz

[Myumi-2]

Im in the automotive industry.  My reply was the summary of a conversation with our engineers.  The engineers were very pleased that someone came down and asked them a question.  

Cheers
Tim

[Rod_Knockin]

if it was a great response please share the information here. I would love to learn something.