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115,000 Euro's saved in fuel costs by Dutch Haulage company


Mobil Delvac 1LE 5W-30  engine oil helps Dutch haulage company achieve fuel savings


Savings from 1.29% to 4.09% have been observed in specific tests

Objective: Reduce Fuel Consumption and Lower Emission Levels

Haulage Company: E. van Wijk Logistics B.V.

Location: Giessen, Netherlands


Situation and Objectives

E. van Wijk Logistics B.V. is a haulage company based in the Netherlands operating a fleet of more than 300 vehicles. They have been approached by the Mobil Authorized Distributor Den Hartog to propose solutions to further reduce fuel consumption and minimize emission levels. In comparison with its present choice of SAE 10W-30 oil, it is to be demonstrated that the use of Mobil Delvac 1 LE 5W-30 high-performance engine oil will provide higher fuel-saving potential.


Recommendations and Solutions

Mobil Delvac 1 LE 5W-30 is recommended. With regard to how a lubricant can impact fuel economy, the most important single parameter is viscosity control. If the optimum viscosity is being utilized for each operating condition, then it will help minimize overall engine friction and reduce fuel consumption. In addition to the above, viscosity can increase over time because of lubricant break-down and contamination. Soot particles, contaminants, and by-products of oil break-down can lead to oil thickening, which can potentially lead to reduced fuel economy and compromise wear protection. Hence, a lubricant must be specifically designed to resist thermal, oxidative, and soot induced thickening.


Results and Benefits

The measurement of the monthly distances travelled and fuel consumption levels for three DAF test vehicles shows that savings from 1.29% to 4.09% have been observed versus the previous consumption figures. The vehicles’ operating and weather conditions were comparable. In addition to outstanding cold-start behaviour and potentially extended engine service life through reduced wear, Mobil Delvac 1 LE 5W-30 could, in those circumstances, help provide a fuel savings potential of up to 115.000 EUR in the case of a changeover of all 300 trucks. This could theoretically result into a CO2 reduction of up to 265 tons per year*.


Anton Stam - Algemeen Director

E. van Wijk Logistics B.V.

Willem ter Stege - Lubrication Field Engineer

Esso Nederland B.V.

Dik den Hartog - Algemeen Director

Den Hartog B.V.


For more information on Mobil Delvac 1 and Mobil Delvac lubricants or to directly contact your nearest ExxonMobil Distributor:


·      Savings based on the assumption of an annual distance travelled of 13 million km, fuel consumption of previously 4 ML/year and a diesel-price of 1,15 EUR/L net. CO2 -Reduction calculated based on an emission factor of 2,65 kg CO2/L diesel-fuel (Source: DEKRA, Germany).


© 2014 Exxon Mobil Corporation. Mobil, Mobil Delvac, and Mobil Delvac 1 are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries. This Proof of Performance is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.