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Old 23.03.2015, 23:51
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What are the allowed amounts of sulfur in fuel in Switzerland?

Hello Everyone,

I've been researching the topic of how much sulfur is allowed in petrol in Switzerland and I can't seem to find a clear answer for this question.

In EU it is crystal clear: http://transportpolicy.net/index.php...l_and_Gasoline. Euro 5 allows maximum 10 ppm of sulfur and this is being like this since 2009.

If I search on Swiss web-sites I can see that Switzerland has it's own standard on fuels which is called "SN EN 228": (in French) http://www.petrostock.ch/normes.html

If I search for "SN EN 228" I can see that there are different interpretations of the sulfur quantities. For example:

1. 50 ppm specified at http://www.moser-brennstoffe.ch/page...ontent&menu=34 (in German, use keyword Schwefelgehalt)

2. 150 ppm specified at http://www.vollan.ch/de/pdf/bleifrei_98.pdf for Shell Superplus 98 (in German, use keyword Schwefelgehalt).

If I search for the official federal documents regarding the allowed of amounts of sulfur I can see an article which mentions that Switzerland is taxing fuels which have big amounts of sulfur: (in French, but switchable to German) http://www.admin.ch/opc/fr/classifie...179/index.html but it does not say that it bans the fuel.

The reason I am searching for this is very simple. Modern cars require fuel with low amount of sulfur so that their catalytic converters will function properly. Too much of sulfur may damage catalytic converter and result in a costly reparations. This mostly relates to cars with DPF.

There is also a group of engine oils called "low SAPS" oils: https://www.oelcheck.de/en/knowledge...ring-2010.html which are very demanding to the quality of fuel and to the amount of sulfur. There are some studies which say that 150 ppm to 300 ppm of sulfur may cause low SAPS oils to make sludge and this will influence engine wear protection.

Since most of the diesel cars require low SAPS oils these days I was wondering what are the limits of sulfur here ...
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Old 24.03.2015, 08:57
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

You have to compare apples with apples, and apples from the same season to get your answer.


First apples with apples:

EN 590, covers fuel for self ignition motors and is known as Diesel,
EN 228, covers fuel for spark plug motors and normally comes with an Octane rating, it name is everywhere different.


This norms are copied verbatim into nation standards, so we get
DIN EN 228, in Germany (http://www.beuth.de)
BS EN 228, in the UK (http://shop.bsigroup.com)
SN EN 228, in Switzerland (http://www.snv.ch)

Finally vintage or season.

Norms are changed and updated over the years. This is denoted by the :YEAR[-MONTH] suffix.

Actual are:
EN 228:2012
which is
DIN EN 228:2014-10 (http://www.beuth.de/de/norm/din-en-2...chID=882257656)
BS EN 228:2012 (http://shop.bsigroup.com/ProductDeta...00000030206693)
SN EN 228:2013-03 (http://shop.snv.ch/de/Themenfelder/W...=SN%20EN%20228)

Looks like the Germans had to fix a few typos in their version.

If you are interested in the actual version you can get it for approx a tank filling at one of the above links.
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Old 24.03.2015, 10:17
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

Thanks aSwissInTheUS,

But your post still does not answer my question regarding amounts of sulfur in the fuel.

It is upsetting that one needs to pay money to get a specification of the fuel which is being sold in the country.
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Old 24.03.2015, 10:40
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

Why don't you contact SNV (the Swiss standards organization) directly. They should be able to supply the information.
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Old 24.03.2015, 10:57
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

catandmouse,

Probably I will end up doing this. I am still thinking this is an overkill and I may just visit the nearest Shell station and ask for a certificate of conformity of their fuels.

I am not using low SAPS oils in my vehicles but every time I visit some forums related to engine oils (bobistheoilguy.com) people say something like this: "in Europe quality of fuel is better than in US especially in terms of sulfur quantities". This keeps getting repeated over and over again and I am trying to see if this is true for Switzerland.

I assume this is true because many people living in Switzerland use low SAPS oil as these are the only oils recommended by manufacture (many VW cars with DPF). If swiss fuel was so bad there would be many complains about this.

Since this is not the case I assume that the fuel quality is good. However, a nice tech doc would be nice to have
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Old 24.03.2015, 11:20
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

Legalbackground is the Luftreinhalte-Verordnung
http://www.admin.ch/opc/de/classifie...321/index.html

Sulfur content It is defined in Anhang 5, Section 5 and Section 6 for gasoline and Diesel respectively,.
Motorenbenzin darf gewerbsmässig nur eingeführt oder in Verkehr gebracht werden, wenn es den folgenden Anforderungen entspricht:
Schwefelgehalt max. 10,0 mg/kg

Dieselöl darf gewerbsmässig nur eingeführt oder in Verkehr gebracht werden, wenn es den folgenden Anforderungen entspricht:
Schwefelgehalt max. 10,0 mg/kg

No minimum value in either case.


As there are one million mg in one kg this equals to max. 10 ppm.
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Old 24.03.2015, 18:34
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Re: What are the allowed amounts of sulfur in fuel in Switzerland?

aSwissInTheUS,

Thanks. This article is very precise and is definitely answering my question. After all the quality of fuels in Switzerland is very high.
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