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Old 05-14-2011, 04:46 PM   #1
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Diesel specs

I have recently purchased a 2010 Dodge Ram 3500 and it requires Ultra Low Sulfur Diesel, (ULSD) fuel only,(says so right on the fuel gauge)

My trouble and therefore also a question is, so far I have only found Shell diesel to come right out and state it is Ultra Low Sulfur Fuel on the pump itself. Can't see that at other common stations such as Esso and Chevron et al. (in Canada that is)

I believe it's federally mandated into law that only ULSD can be sold in Canada so is it that the other major dealers apart from Shell just haven't re-decaled their pumps or . . . who can you trust. I travel the BC interior extensively with most towns only having one fuel pump and it isn't always Shell . . . .

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Old 05-14-2011, 05:14 PM   #2
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Hi jwlaurie,
You are correct about the Federal mandate (in the USA, not sure about Canada). It's been around for several years. I wouldn't worry about the label on the pump. For me it is the same as gas pumps no longer say "unleaded".

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Old 05-14-2011, 05:30 PM   #3
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From Petro-Canada's website:

  1. What is ultra low sulphur diesel fuel?
    Ultra low sulphur diesel fuel (ULSD) is fuel that contains less than 15 parts per million sulphur. It is usually used for both on-road and off-road applications. Since Oct. 1, 2010, all on-road and off-road diesel fuel in Canada, except for rail and marine applications, must be ULSD.
  2. What is regular sulphur diesel fuel?
    Regular sulphur diesel fuel (RSD) is fuel used for off-road applications such as rail and marine only. As of Oct. 1, 2010, regular sulphur diesel fuel must contain less than 500 parts per million (0.05 wt %) sulphur.
  3. How can I tell if diesel fuel is ultra low sulphur or regular sulphur?
    All on-highway and off-road diesel fuel sold in Canada is ultra low sulphur. All dyed or marked off-road diesel fuel, except for rail and marine applications, must be ultra low sulphur, ask your local supplier about the sulphur content of its off-road diesel fuel.
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