Biodiesel B40 and Euro 5 (EN590) Gasoil: Choosing the Right Fuel for Heavy Equipment & Fleets
Two commercial fuels, two different engine needs. Here is how they differ and how to choose.
- B40 = 40% plant-based biofuel (FAME) + 60% diesel.
- Euro 5 EN590 = ultra-low-sulfur diesel, maximum 10 ppm.
- Choose by engine type, emission rules, and operating location.
Why liquid fuel quality matters
Heavy equipment, vessels, and backup generators depend on consistent liquid fuel. Off-specification fuel can cause engine trouble, unplanned downtime, and higher maintenance cost.
Biodiesel B40 (commercial diesel)
Biodiesel B40 is a blend of 40% Fatty Acid Methyl Ester (FAME), a plant-based biofuel, with 60% petroleum diesel. Per the PCA profile, it meets Ministry of Energy and Mineral Resources quality standards and is commonly used in:
- Mining heavy equipment
- Logistics truck fleets
- Industrial generators
- Domestic maritime vessels
Euro 5 (EN590) Gasoil
Euro 5 (EN590) Gasoil is Ultra-Low Sulfur Diesel (ULSD) with a maximum of 10 ppm sulfur and premium international quality. Low sulfur matters for modern engines using exhaust after-treatment, because sulfur can damage those components. It suits:
- High-emission-standard diesel engines
- Premium commercial vehicles
- High-technology generators
- Specialised industrial needs
Quick comparison
| Aspect | Biodiesel B40 | Euro 5 (EN590) Gasoil |
|---|---|---|
| Composition | 40% FAME + 60% diesel | ULSD diesel |
| Sulfur | Per batch COA | Max. 10 ppm |
| Reference | Ministry of Energy and Mineral Resources standard | EN590 / Euro 5 standard |
| Best for | Heavy equipment, trucks, generators, domestic vessels | High-emission engines, premium vehicles, advanced generators |
How to choose
Every PCA commercial delivery comes with specification documents and a batch COA.
- 1Check the engine manual. The engine maker specifies permitted fuels.
- 2Check emission rules where you operate.
- 3Consider supply pattern: spot orders or recurring contracts.
- 4Ask for the COA for each batch.
Products Referenced in This Article
A blend of 40% FAME (plant-based biofuel) and 60% diesel, per Ministry of Energy and Mineral Resources quality standards, for heavy equipment, fleets, and industrial generators.
Ultra-Low Sulfur Diesel (ULSD) with a maximum sulfur content of 10 ppm, premium international quality, for high-emission-standard diesel engines.
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