Driving your biodiesel journey forwards

It’s important to invest in high-quality lubricants that have been extensively tested with biodiesel. Why? Because they not only help extend engine life, they can also contribute towards reduced maintenance costs.

We ran oxidation stability, low temperature pumpability and piston cleanliness tests on a series of Mobil Delvac™ oils in the presence of biodiesel to investigate the effect fuels with biodiesel content can have on oil properties. Our tests established that our lubricants can still perform consistently throughout their drain interval.

Our biodiesel-compatible Mobil Delvac oils can help deliver better fuel economy without sacrificing wear protection*. They can also go a long way towards extending engine life and oil drain intervals**.

Our long-standing relationships with, and endorsements from, engine manufacturers provide you with the added assurance that you’re using the right products for your equipment.

*Applies to Mobil Delvac 1 LE 5W-30 and Mobil Delvac XHP Ultra LE 5W-30. Fuel economy improvement is dependent on vehicle/equipment type, outside temperature, driving conditions and your current fluid viscosity.

**Results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.

1.Source your biodiesel from a trusted supplier

Biodiesel can be produced from a variety of sources which can impact its properties and quality.
Ensure your biodiesel comes from a reputable fuel supplier, such as Esso, to ensure both quality and reliability.

2.Protect your engine with a biodiesel-compatible oil

Higher biodiesel content can increase the risk of fuel dilution, resulting in engine oil degradation and potentially component wear.
You can protect your engines with Mobil Delvac lubricants that have been tested in the presence of biodiesel and offer proven consistent performance.

3.Monitor your engine health with regular oil analysis

Once you have secured a quality biodiesel and compatible engine oil, it’s important to monitor your engine’s health in operation.
Mobil Serv℠ Lubricant Analysis (MSLA) has been designed for this purpose.

Depending on the engine design, equipment builders may allow biodiesel to be used either alone or when blended with traditional diesel in various quantities.

In low concentrations, such as 7% used in the commercially available B7 diesel, the effects of the fuel’s different chemistry are typically negligible, but in higher amounts, it can impact the functioning of an engine oil. This can lead to:

Fuel dilution occurs when fuel leaks into the engine oil in the crankcase. The presence of fuel reduces oil viscosity and can compromise its wear protection, interfering with optimal oil performance.

Whilst this process occurs in every engine, biodiesel usage can lead to greater fuel dilution, and – if left unchecked – increased wear.