DieselFlanders
An introduction to the traffic rules and road signs of Flanders. Learn about driving, road safety and much more in our illustrated book, with answers to frequently asked questions.
For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.
147. Diesel
Diesel is a liquid fuel used in compression-ignition engines. Unlike petrol engines, diesel engines ignite the fuel through the heat produced by compressing air rather than by using spark plugs.
Diesel fuels can contain renewable components such as biodiesel. Drivers should always use a diesel grade that is approved by the vehicle manufacturer, as using an incompatible fuel can damage the engine or fuel system.
Wikimedia.org • Okq8 se • CC BY-SA
Which diesel fuel is commonly sold in Belgium?
Diesel B7 is the standard diesel commonly available for road vehicles in Belgium. It can contain up to 7% biocomponents and complies with the European diesel standard for road vehicles.
🔗 economie.fgov.be • Belgian FPS Economy — official fuel-grade list; no pump price reproduced
How is diesel identified at Belgian filling stations?
Diesel fuels use standardised European square fuel labels containing designations such as B7 or B10. These labels help drivers identify the correct fuel for their vehicle.
🔗 economie.fgov.be • Belgian FPS Economy — official fuel-grade list; no pump price reproduced

Traffic rules
Flanders