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Q. Where can I buy Premium
Diesel?
A. Premium Diesel is available at
selected SAFF outlets, and is also available in bulk.
Q. What is the price
difference?
A. Premium Diesel is a Premium Product, currently
retailed to you by SAFF at the same price as Ultra Low Sulphur
Diesel.
Q. What are the
Performance Benefits?
A. 1. Premium Diesel has a higher cetane level
than standard diesel. Cetane can be described as the diesel
equivalent of petrol’s “octane number”, that is, “anti-knock”.
Premium Diesel therefore provides better ignition and much quieter,
smoother running than Ultra Low Sulphur Diesel.
A. 2. Premium Diesel contains bonded oxygen, which
provides more complete combustion and greater energy release from
the fuel. This can provide greater power and torque and better fuel
consumption.
Q. What is the
Sulphur Content?
A. Premium Diesel contains no more
than 50ppm (0.005%) sulphur - the same level as Ultra Low Sulphur
Diesel.
Q. What are the
Fuel System Protective Benefits?
A. Premium Diesel has far greater
lubricity than Ultra Low Sulphur Diesel (which has been the most
common diesel in Australia since May 2004). The lubricity of Premium
Diesel will protect your metal fuel system components that come in
contact with the fuel against wear and tear. This means longer
injector life and longer fuel pump life than would be experienced
with Ultra Low Sulphur Diesel fuel.
Q. What are the
Environmental Benefits?
A. 1. The oxygen content of Premium
Diesel provides more complete combustion and therefore a large
reduction in harmful (sometimes lethal) combustion by-products such
as carbon monoxide, methane, Poly-Aromatic Hydrocarbons, “black
smoke” (soot). A graph showing the typical emissions reductions of
Premium Diesel compared with Ultra Low Sulphur Diesel will be posted
soon.
A. 2. Premium Diesel contains up to
20% Biodiesel (see our Biodiesel page for further info) which is a
renewable fuel with up to 80% lifecycle reduction in Greenhouse
Gases (source: CSIRO, Australian Greenhouse Office). Premium Diesel
produces up to 16% less lifecycle greenhouse gases than diesel fuel
or ultra low sulphur diesel fuel. This means a lesser contribution
to Global Warming, and a safer future for our children.
Q. What are the
Energy Security Benefits?
A. The Biodiesel portion of Premium
Diesel (up to 20%) is made in Australia from Australian-grown
renewable energy sources (canola oil, vegetable oils and tallows).
This reduces the demand on crude oil and diesel imports, and on
dwindling Australian crude oil reserves.
Q. Is
Premium Diesel suitable for all diesel engines?
A. Yes. Premium Diesel meets or
exceeds all of the parameters required for Australian Diesel.
Q. What is the
cleaning effect on my fuel system?
A. NEW VEHICLES: No effect
A. OTHER VEHICLES: Premium Diesel may clean
existing gums, grime, waxes and sludge (which are normal, from
diesel fuel usage) from the fuel system and engine, and eventually
deposit them in the fuel filter. Please ensure your fuel filters are
changed at your normal maintenance period. This is a minor effect
that is also being experienced with Ultra Low Sulphur Diesel in
certain cases. It is less pronounced than the cleaning effects
associated with Biodiesel.
Q. What is the
effect on fuel seals and hoses?
A. FOR NEW VEHICLES: No effect
A. FOR OLDER VEHICLES (Pre-1996):
Some minor incompatibility issues with rubber components may be
experienced, as with Ultra Low Sulphur Diesel. It is advisable to
have your mechanic visually inspect rubber or synthetic fuel lines
and to replace, if necessary, with Viton or a similar
fluoroelastomer. Note that this advice should also be taken for
customers using diesel, as it is increasingly being replaced with
Ultra Low Sulphur Diesel (May 2004) throughout Australia.
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Premium Diesel