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Since , the British Standard for Industrial Fuel Oils, BS, contains two grades of Gas Oil; Class A2 & Class D. The Class A2. Gas Oil BS Class A2. Gas Oil is a distillate fuel manufactured to give clean burning, maximum heat output and efficient combustion in boilers and off-road. Free download of BS – the fuel specification data sheets for Red diesel, gas oil and Red Diesel / Gas Oil 10ppm Specification Sheet (BS Class A2).

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The red excise marker in red diesel is present to show that the fuel is subject to a different taxation category to the one which is applied to diesel white diesel used in road vehicles. Gas Oil has a lower cetane rating, so may have a lower energy yield than the DERV vehicle diesel alternative.

It is published by the European Committee for Standardization and it describes the physical properties of the fuel. Gas Oil is a middle distillate liquid refined from crude oil. Environmental Legislation has demanded cleaner fuels with less harmful emissions and the British Standard for Gas Oil has changed specification to meet this. It was introduced to partner the European emission standards as part of the drive for a cleaner environment.

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CPS Fuels Gas Oil meets the same BS EN specifications as white road diesel and is therefore suitable for use in all farm machinery without the need for fuel treatments or additives. There are two recognized standards of Gas Oil that are currently in use: A European Fuel Quality Directive was set out in which stated that as of 1st Januaryall non-road mobile machinery should only contain up to a maximum of 10 milligrams of sulphur for every kilogram of fuel used 10 ppm or 0.

Gas Oil is a “dual purpose” fuel. The Class A2 specification is suitable for both diesel engines and furnace applications whilst the Class D specification is only suitable for furnace applications such as boilers, dryers and roadstone coating plants, but not suitable for diesel engines. The sulphur content for class A2 diesel is 0. So what is my Gas Oil now? As Gas Oil is a form of diesel it can be used in diesel engines to provide propulsion or generation.

Has Gas Oil specification changed? Since the change is legislation, and because the majority of Gas Oil used in the UK goes into the Agricultural and Commercial markets to power engines, UK refiners and importers have focused on supplying the UK with diesel bs22869 meets the highest possible required European standard EN However, if you would like to, you can change your cookie settings at any time.


There are just two of the reasons why there has been a need to ckass reduce the sulphur contents of fuels. In the Government changed their legislation as a result of EU pressure to decrease off highway emissions. The higher the cetane rating the shorter the ignition delay.

What is Gas Oil? CPS Fuels Information Sheet

Nothing on this specification, or in this article, constitutes a guarantee. What’s the British Standard for Gas Oil? Since white road diesel DERV was already ULSD compliant at clasw time, it is often believed that the specifications for red diesel and white diesel have been identical since the regulation change, but the potential for the two differences — cetane and bio components remain. Road fuels, Petrol and Diesel have high duty rates applied to them, but other non-road fuels have lower or zero duty rating applied.

BS red diesel was split into two different categories. Gas Oil supplied from September onwards is winterised. It has many different names in the UK and a variety of uses. In an update was made in the UK to British Standard BS for gas oil red diesel requiring a limit of 10mg of sulphur per kg fuel for mobile off-road equipment.

Aa2 the UK it was found that some modern tractors suffered from poor performance because they were running Class A2 Gas Oil whereas they were designed to operate on fuel that met the higher BS EN white road diesel fuel specification. It can be called: From a consumers perspective most applications can use Class A2 without any cost or performance implications.

Class A2 covered all off-road vehicles, including trains and tractors.

Sulphur Limits on Fuel Explained | Crown Oil UK

We will expand on this later. Why is Gas Oil Red? You can also order fuel by filling in our fuel quote form or speak to our friendly fuel experts on The sulphur content of class D diesel is 0. The red dye contains chemical markers in accordance to Customs and Excise claws and so its illegal use can be easily detected.

We bx2869 cookies to ensure that we give you the best experience on our website. Class A2 gas oil may be used for either application. This is one of the main reasons why red diesel is lower in cost when compared to road diesel.

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So init became a requirement that all fuel used in off-highway mobile machinery must comply with EU Ultra Low Sulphur Diesel ULSD regulations, and must therefore contain no more than 10mg of sulphur per kg of fuel.

Back to the news. John Deere, in particular, bs8269 that fuel used within their engines must comply with the higher BS EN white road diesel fuel specification in order to guarantee performance and avoid invalidating warranties.

Both our suppliers, and CPS Fuels, reserve the right to alter the clasd without notice. Class A2 has a maximum sulphur cpass of 10ppm and is used for off road vehicles and equipment, while Class D has a maximum sulphur content of ppm and can only be used for heating or static generators. As very few engines or burners can now legally use Class D fuel, the fuel industry has concentrated on making, storing, and distributing Class A2. Sulphur was identified as one of the most harmful components of Gas Oil, but was historically needed as a lubricant within the fuel.

A lot of the confusion around Gas Oil, and the variety of different names, has come both from its variety of different uses, and changes to product specification over the last few decades. EN is the current standard for all automotive diesel fuel sold in the European Union member states. It can also be used in a diesel engine fuelling off-the-highway equipment such as farm tractors, construction equipment, railway and marine engines, and stationary diesel engines or generators. The other type of red diesel is class D which is used for sea-going marine vessels, stationary engines, static generators and heating boilers.

If you continue without changing your settings, we’ll assume that you are happy to receive all cookies on our website. It has a high calorific value heat content and is thus recommended as a boiler fuel in industrial or agricultural installations with pressure jet bs2896 e. Gas Oil is bs2896 for use in Tractors, hence Tractor Diesel, and on Farms, hence Farm or Agricultural Diesel, and is marked with a red dye to reflect this.