June 15, 2023
As MOT testers and managers, you play a crucial role in ensuring the safety and compliance of vehicles on the road. With the ongoing green transport revolution and the rise of electric and hybrid vehicles, the industry is experiencing significant changes. This article explores the implications of these changes, particularly concerning the most common causes of MOT failures—tyres and coil springs.
Understanding the Data
Recent research by One Sure Insurance analysed the leading causes of MOT failures in class 4 vehicles, including cars and small commercial vehicles. Tyre problems accounted for over 1.1 million failures, followed closely by suspension coil springs with over 1.06 million failures. These components fail the safety test approximately 20-25% more frequently than any other car part.
Implications for the Green Revolution
The increasing popularity of electric and hybrid vehicles is transforming the automotive landscape in the UK. Government incentives are driving the transition towards greener fuel options, with a target for rapid adoption between now and 2030 to help meet emissions targets. However, these vehicles carry additional weight due to battery components, which will likely further impact tyre wear and suspension.
Considering MOT Frequency
While the weight of electric and hybrid vehicles poses potential challenges for tyres and suspension, manufacturers have not specifically redesigned these components to accommodate the extra weight. As the popularity of such vehicles begins to snowball, there is an ongoing discussion about extending the interval between manufacture and the first MOT, as well as the frequency of MOTs throughout the vehicle’s lifetime, which appears somewhat mistimed.
A More Considered Approach
In the face of changing technologies and a shifting automotive landscape, adopting a more considered approach is crucial before making decisions about MOT frequency. Collecting reliable data and closely observing the implications of electric and hybrid vehicles on commonly failed components is necessary to avoid confusion and unintended consequences. Prioritising vehicle and road safety should guide any changes to the MOT scheme.
Tyres and suspension are crucial components of a vehicle’s safety. These components are known to fail more frequently than any other vehicle part. With vehicle weights increasing due to additional batteries supporting reduced emissions, these components will likely wear out even more quickly. Collecting a reliable dataset on newly introduced greener vehicles will help industry leaders make informed decisions about MOT frequency in these changing times and avoid pitfalls of poorly considered policy change. Together, we can strive for safer roads and vehicles in the era of the green revolution.
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