The impact of EU environmental standards on British agriculture

The UK continues to adhere to European Union environmental standards for non-road mobile machinery. Modern requirements, corresponding to Stage IV and Stage V levels, have significantly complicated machine design: now, a significant portion of the cost of tractors, excavators, and bulldozers is accounted for by emission control equipment. In the total price of a new piece of machinery, the share of such systems ranges from 20% to 30%.

Using such technologies creates risks for equipment owners. Malfunctions in monitoring components lead to major repair costs or expensive extended warranty programs. One of the problems is the engine derate system, which activates when malfunctions are detected in the SCR system. Initially, torque is limited by 25%, and if the situation worsens, by 50%, which effectively makes the machinery unfit for full-scale operation.

Due to high maintenance costs and technical limitations, offers for "hacking" software that allows for disabling factory control systems have appeared on the market. Such actions are illegal and carry fines of up to £50,000 if violations are identified by the DVSA. In the current environment, farmers are increasingly forced to take risks, as repair costs for individual components can amount to thousands of pounds sterling, which is critical for small family farms.

The consequences of the current situation are reflected in the machinery market and food prices. In the first half of 2025, the number of new tractor registrations in the UK fell by 17% compared to the same period in 2024, which became the lowest figure since 1998. As a possible solution to the problem, experts suggest developing independent British standards for non-road machinery, close to the Stage IIIb norms of 2013, which are characterized as more economically accessible and practically applicable.