Environment Agency enforcement has resulted in a £12,000 fine for J. Gilder Earthmoving & Aggregates Ltd after red diesel was discharged onto land at a waste processing site in Lower Slaughter, Gloucestershire. Gloucester Crown Court sentenced the company on 5 October 2026 and also ordered £33,610.06 in costs and a £2,000 statutory surcharge. The regulator published the case on 26 October; the underlying incident occurred in November 2022.
HM Revenue & Customs officers arrived without warning on 17 November 2022 to examine suspected misuse of rebated diesel at the operating site. They were initially denied access despite the business being open and were admitted after more than two hours. Inspectors then found two large pools of red diesel on the ground. The delay and the fuel disposal were central to the enforcement chronology, rather than evidence of a spill connected with a routine transfer or a machine breakdown.
Fuel had been emptied from a scalping screener, used to separate bulky material from waste and aggregate streams. The court heard that the diesel was released to prevent inspectors detecting fuel that the company was not permitted to use for the activity concerned. The operator subsequently pleaded guilty to the environmental offence. A screener’s use in processing work does not exempt its fuel storage and handling from pollution controls; liquid fuel released to the ground can create separate obligations from those arising under fuel duty legislation.
The offence related to disposal of red diesel on or before 17 November 2022, while the hearing took place almost four years later. HMRC acted on the suspected unlawful use of rebated fuel, and the Environment Agency prosecuted the discharge. The court did not find a fresh 2026 spill. These enforcement routes address different conduct: one concerns fuel taxation and the permitted uses of marked gas oil; the other concerns the deliberate release of a pollutant into the environment.
HMRC dealt with the unlawful use of rebated fuel, while the Environment Agency pursued the pollution offence. These are separate aspects of the same incident. Fuel duty rules govern which machinery may use lower-taxed diesel; environmental legislation addresses the disposal and contamination risks arising when liquid fuel is released to land. Paying the full duty on a fuel would not make deliberate dumping acceptable.
Changes to rebated fuel entitlements took effect in April 2022, restricting the activities for which red diesel could be used. Operators need to determine entitlement by the actual work being carried out and applicable statutory exceptions; a vehicle or item of plant operating off the highway is not automatically entitled to reduced-duty fuel. Even where fuel duty has been properly paid, storage, transfer and disposal arrangements remain subject to environmental requirements.
The Environment Agency attended after HMRC reported the discharge, took soil samples and required remedial action. The company removed approximately 3.5 tonnes of the most contaminated soil, reducing the risk that the diesel would migrate into groundwater. The published case does not quantify the total volume lost or assert that excavation removed every possible trace of contamination. The documented response instead shows how a fuel disposal incident can also generate environmental sampling and waste removal work.
Diesel released onto unprotected ground can migrate through soil depending on permeability, drainage and the local water environment. At waste processing sites, the location of plant, the design of hardstanding and the routes taken by rainwater influence how an incident may spread. Soil excavation can remove heavily affected material, but a responsible response also requires consideration of where displaced material is sent and whether residual contamination needs monitoring.
Permitted waste facilities are expected to manage pollutants through suitable operational controls, including fuel storage, drainage and spill procedures. A site’s hardstanding and access routes influence whether a discharge can be contained, while contaminated excavation material must be dealt with as waste. These are general site management considerations; the Environment Agency’s account does not establish that every possible control deficiency was separately charged or proved against Gilder.
The sentence consisted of a £12,000 fine, £33,610.06 prosecution costs and a £2,000 surcharge, totalling £47,610.06. The £12,000 figure is the court’s fine for the offence; the remaining amounts are not additional fines. The Agency separately reported that the company had faced enforcement by HMRC over the prohibited fuel use, but did not give a sum that should be added to this court total.
The Environment Agency says its enforcement programme includes earlier intervention at high-risk waste sites, improved intelligence sharing and action against environmental crime. It reports nearly 250 waste offence prosecutions since 2023 and the closure of 743 illegal waste sites during 2024/25. These figures describe the regulator’s broader enforcement programme, not additional breaches proven against J. Gilder Earthmoving & Aggregates in this case.
The prosecution arose from an attempted concealment during a fuel inspection and ended with court sanctions and removal of contaminated soil. The distinct fuel duty and pollution offences mean that addressing one compliance issue cannot discharge the obligations arising from the other. The regulator has confirmed the removal of the most contaminated soil; it has not reported a further incident or a new court order after the October sentencing.
