Drive for reduction in exhaust gas


The modern diesel engine has become a highly sophisticated piece of machinery that is very far removed from its original design. Today, many Original Equipment Manufacturers (OEMs) continue to focus on increasing power from smaller engines while continuing to adhere to more stringent environmental laws that require these engines to be extremely clean burning and fuel efficient.

The local energy industry, including the bus and truck transport sectors, has been identified as a key contributor to reducing emissions into the atmosphere.

Currently, transport emission legislation in South Africa (SA) only requires diesel vehicle compliance with Euro 2 emission standards. Despite this, a growing number of automotive OEM’s have already introduced passenger cars, buses and trucks meeting Euro 5 and 6 emission standards into the SA market. This is in anticipation that SA emission limits will tighten in the near term, which will have a major bearing on the road and off-road sectors.

Sydney Brückner, business manager of emission fluids at Engen, says SA is committed to reducing CO2 and NOx gas emissions. “It is encouraging to note that an increasing number of major fleet operators across SA have adopted strong green practices. SA customers and the markets we serve are becoming more and more serious about sustainability and green products that are better for our environment. As Engen we are strategically positioned to provide solutions that match these changing market requirements.”

One stop shop

As the only major oil company operating in SA to offer AdBlue, Engen is the one-stop shop for fleet operators and privately owned vehicle owners, including off-road equipment operators, seeking a product that offers to lower emissions from the vehicles or the equipment used.

“At Engen we believe we have an obligation towards bringing environment friendly products to the SA market. It is known to reduce the level of pollutants by up to 90% in the exhaust gases of vehicles. The product is non-hazardous and safe. AdBlue is a natural fit to the Engen business and shares a common product platform with other Engen eco-line product offerings such as low-sulphur diesel and low-SAPS [sulphate ash, phosphorus and sulphur] lubricants,” says Brückner.


While modern diesel vehicles fitted with Selective Catalytic Reduction (SCR) systems are an additional capital investment, fuel savings should cancel out this extra expense over time, he adds.

Diesel consumption is approximately 3 - 5% less depending on the type of engine and the work it does. The AdBlue tank, which is normally fitted adjacent to the diesel tank, would typically require filling every time drivers refuel with diesel.

Blue is the new green

The introduction of the product portfolio is a major step forward in Engen’s ongoing environmental drive, and demonstrates its commitment to a more sustainable future growth path, says Bruckner.

Notable predecessor programmes include their own bulk fuel transport fleet replacement initiative, which focuses on models that run on low-sulphur diesel and meet the Euro V and VI emission standards. “Engen will continuously strive to provide product solutions that match changing market requirements,” says Bruckner.

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