The importance of using fuel additives

The importance of using fuel additives

Are you are using the right fuel?

In order to meet emissions targets, from the start of 2011, gas oil sold for use in tractors and other farm vehicles has been modified, it now has a lower sulphur content and may contain up to 7% biofuel this is why your vehicle may need fuel additives.

The sulphur


Legislation passed in 2011 has reduced sulphur in gas oil in order to lower pollution. Untreated, very low sulphur fuel can result in extreme wear, or even failure in diesel fuel pumps. The components included in fuel additives are designed to restore lubricity and allow normal pump operation and service life.

Cetane number

higher cetane lead to better combustion

The cetane number (CN) indicates the ignition properties of diesel fuel. It measures how well it combusts. A higher cetane number leads to a more efficient combustion. EN590 (Road Diesel) has a minimum CN of 51, while BS2869:2010 (Gas Oil) has a minimum CN of 45. Always check your vehicle’s manual for the correct fuel grade.


biofuel encourages water pick up and bug growth in fuel

As mentioned in a previous article, a higher bio content encourages water pick up, which promotes bug growth in the fuel, hastens corrosion, promotes waxing-up, and other contamination. The reduction in the sulphur level has reduced the overall stability of the fuel and so more care is needed when it comes to storage.

In summary fuel additives can do following:

  • Restore lost lubricity in fuel,
  • Rise the fuel cetane number usually by 6,
  • Prevent bug growth,
  • Lower the temperature at which waxing begins,
  • Prevents emulsions forming and resultant filter blockages,
  • Aligns with modern engine calibrations
  • And many more…

To find out more click here >

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