The difference of oils from wells around the world is staggering.
In Australia United Petroleum is supplied by Aramco Trading Co (Saudi based company)
Liberty is supplied by Viva Energy, who now operates the former Shell refinery in Geelong and sources crude oil and fuel through Vitol, the world’s largest independent trader of energy based in Singapore (and so could come from any crude oil feed stock in the world at any point in time).
7/11 is supplied by Mobil (and possibly also to Metro)
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