50 PPM is a low sulphur grade diesel with sulphur content of not more than 50 mg/kg, this
product mostly used in the automotive as fuel for light vehicles. 500PPm is a standard grade
of diesel with sulphur content of not more than 500mg/kg, this products is mostly used to
fuel heavy vehicles. The demand for this product is mainly for commercial use, in the
manufacturing, mining and transportation sector.