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look isnt there only 2 or three oil producers/refiners in Aus?
i know there is the big shell refinery in Geelong surely the fuels cant be the different?
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Refineries produce to their own requirements
Mobil Caltex Shell BP Independents
fuel off road heating av-gas
Four grades of Ron Gas
Marine grade fuels heavy oils light oils Diesel different sates different mandates for emissions etc
fuel imported direct from Singapore , hedge marketing fuels sold to the highest bidder, most fuels delivered as bulk via transmix is separated via a small type shore holding facility for hydro cracking of the oils for separation to a prescribed standard
There has ALWAYS BEEN SPECULATION SOME SHONKY OPERATORS MIX FUELS . to reduce costs to maximize profits
Notice how fuel spikes on holiday seasons when oil has been dropping over the last three months, you see a drop for a short while and then it increases again but it never reduces based on supply and demand
Peak oil production has already been reached there are not enough refineries to keep up with global demands.
Recently as last month the Caltex refineries said producing fuels in Australia is not viable due to the low numbers of the Australian population work that one out,
US refineries shut down for maintenance our fuel spikes because of this US shut down maintenance period,
Yet we are not aliened to the US, or from OPEC pricing !you do have speculation and profit making, with powerful companies with world wide aliances, playing the same old political game, from those who control wealth.
Richard
Our refineries were fully upgraded to world standards only a few years back , [A] in part to met the new Euro fuel standards [b] so we now have 10pp/m ULSD fuel as a result of the upgrade, However the main upgrade was when longford blew up , upon investigation the maintenance on the refinery was so low , they Government steps in, and Say's fix it, or get out.
Games up.
Richard
And back in the 1980s, London taxi drivers (London taxis were all diesel then, don't know about now) were famous for getting bladder cancer - but they didn't have any special incidence of lung cancer.
The health effects of biodiesel are still unclear. One 'problem' is that there are different types of biodiesel. Most types of biodiesel have lower counts of particulates in the exhaust, and the assumption is that less soot particles means less carcinogens. But uncertainty still rules (some authorities have raised questions about increased aldehydes in some types of biodiesel exhaust, and increased acroleins). The most current state of knowledge is summarised by the US National Institutes of Health at:
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1852688
thanks for the good info.
like i said though, all exhaust smoke is harmful....
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