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What should I do with stale red diesel?

In brief

If you find old red diesel, stop using the fuel, keep it in a closed container away from drains and ignition sources, and tell us roughly how much there is and what got in. Yes. Call 07950 582635 or send an enquiry.

What old red diesel does

Old diesel forms gums and acids, mostly from its biodiesel content, which block filters and injectors.

Storing stale red diesel until collection

As for diesel: a tank or container made for fuel, inside a 110% bund, away from drains. Do not add anything else to the container.

How City Fuel Services handles waste red diesel

Send us the five details: business and postcode, roughly how much waste red diesel there is, what it is and any contamination, how it is stored and reached, and whether you need one collection or regular ones. We assess it, confirm a rebate or a collection charge, and collect on a consignment note.

Terms used in this answer

Consignment note
The document that travels with hazardous waste from the producer to the receiving site. Each person in the chain completes and signs their part.
IBC (intermediate bulk container)
A plastic tank, usually holding 1,000 litres, in a steel cage on a pallet base. The most common container for drained fuel.
Key facts
ProblemAge in Gas oil (red diesel)
Recoverable?Yes.
FuelGas oil (red diesel)
Also calledgas oil, rebated diesel, marked gas oil
Waste code13 07 01* (fuel oil and diesel)

Related questions

Official guidance: GOV.UK: hazardous waste.

Holding waste fuel? Tell us what you have.

Business and postcode, quantity, fuel and contamination, storage and access, one-off or recurring. We assess it and confirm a rebate or a collection charge before anything is booked.