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Agriculture: Red Diesel

Asked by Laura Kyrke-SmithLabourTreasuryTabled Answered 16 March 2026UIN 119768

The question

To ask the Chancellor of the Exchequer, what steps she is taking to (a) support farmers with the cost of red diesel and (b) improve transparency and competitiveness in the red diesel market.

Answered by Dan Tomlinson

Farmers retained the entitlement to use red diesel for agricultural machinery after it was withdrawn from most sectors in 2022. Red diesel used in agriculture is subject to fuel duty at just 10.18p per litre compared to 52.95p for diesel used on roads, representing savings of almost £300m p.a. for the agricultural sector.

At Budget 2025, the Government extended the temporary 5p fuel duty cut alongside extending the proportionate percentage cut for rebated fuels, which includes red diesel. This maintains the red diesel rate at the levels set in March 2022 at 10.18p per litre until the end of August 2026, with rates then gradually returning to March 2022 levels by March 2027, an increase of less than 1p a litre. The planned inflation increase for 2026-27 has also been cancelled.

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