A green solution or false start?

Answer

Electric vehicles (EVs) have become the flagship policy solution for reducing carbon emissions in the transport sector. Governments across the world have introduced measures mandating the phase out of petrol and diesel vehicles, forcing manufacturers to overhaul production lines and leaving consumers with increasingly limited alternatives other than to switch to EVs. In the UK, legislation now requires that 80% of new cars and vans sold be zero emission by 2030, increasing to a complete phase out of petrol and diesel vehicles by 2035.

On paper, the policy appears clear and ambitious. However, as regulation increasingly drives market behaviour, the question remains whether a full transition to EVs represents the most practical and environmentally sustainable route to net zero.

Are EVs genuinely greener?

The environmental case for EVs is more complex than the headline claim of ‘zero emissions’ suggests. In fact, there is an element of truth to the argument that EVs are not as environmentally friendly as they are often presented. In particular, EVs are generally initially worse for the environment than petrol and diesel vehicles, as their manufacturing process is highly energy intensive. The production of batteries, in particular, results in higher upfront emissions, meaning EVs begin their lifecycle with a significant carbon debt. As a result, an EV can have a greater carbon footprint at the point of manufacture than an equivalent internal combustion engine vehicle.

However, because EVs produce no tailpipe emissions during use, research suggests that over time they become more environmentally beneficial, with the initial carbon debt typically being repaid after a number of years of driving. Over a full lifecycle, EVs, therefore, tend to outperform petrol and diesel cars in terms of overall emissions.

That said, emissions output is only one part of the environmental picture. EVs rely on batteries requiring critical minerals such as lithium, cobalt and nickel. These minerals are frequently sourced from environmentally sensitive regions and have been linked to issues including habitat destruction, water depletion and human rights concerns. As policy accelerates demand for EVs, pressure on these supply chains will inevitably increase, raising the question of whether environmental harm is being reduced or simply displaced elsewhere.

This concern is compounded by the issue of battery degradation over time. As EV batteries lose capacity, vehicle range diminishes and performance declines, often well before the end of the vehicle’s usable life. This can incentivise premature battery replacement or vehicle turnover, with significant environmental costs attached to the manufacture of new batteries and the disposal or recycling of old ones. While future advancements in battery technology, recycling and repurposing may reduce reliance on mined materials, concerns remain that the environmental cost is simply being shifted further up the supply chain.

There’s also the issue of electricity generation. With no direct emissions from the vehicles themselves, much of the environmental impact of EVs is shifted upstream to the electricity used to charge them. Therefore, the extent to which EVs are genuinely ‘green’ depends heavily on the carbon intensity of the electricity grid powering them.

In countries with cleaner energy grids, EVs can deliver far greater emissions savings over time than in regions still heavily reliant on fossil fuels. As a result, the same electric vehicle can have very different environmental outcomes depending on where it is used. From a commercial perspective, this highlights that EV sustainability is not fixed but context dependent. Manufacturers and policymakers are increasingly exposed to scrutiny over battery sourcing, production methods and energy infrastructure.

As electricity grids continue to decarbonise, EVs will become progressively cleaner; however, until then, their environmental credentials rely as much on energy policy and industrial strategy as on the vehicles themselves.

When policy outpaces the market

Despite clear UK targets, there is growing evidence that policy ambition may be outpacing market readiness. Mandating the rapid transition to EVs assumes that infrastructure, affordability and consumer confidence will evolve in step with regulation. In practice, this alignment has yet to be achieved.

From the consumers perspective, EVs remain significantly more expensive to purchase than petrol and diesel alternatives. This challenge is particularly acute during a cost‑of‑living crisis where household budgets are already under pressure. Although EVs may offer lower running costs over time, the higher upfront price continues to act as a substantial barrier to widespread adoption.

There are also practical considerations that further undermine market readiness. Public charging infrastructure remains unevenly distributed, with shortages especially pronounced for drivers without access to off‑street parking. For many consumers, this makes EV ownership inconvenient or impractical, reinforcing the perception that the transition is being imposed before adequate support systems are in place.

At the same time, rising electricity prices have weakened one of the core economic arguments in favour of EVs. As energy costs increase, consumers face growing uncertainty over whether switching to an EV will deliver the anticipated financial savings, further dampening demand.

From a commercial perspective, these consumer‑side constraints have knock‑on effects across the market. Manufacturers are required to invest heavily in EV production to meet regulatory targets, even where consumer demand has not yet fully materialised. Infrastructure providers and energy companies must commit capital ahead of demand, while businesses and fleet operators face difficult decisions around cost, timing and operational feasibility.

More broadly, the EV transition highlights how environmental regulation is increasingly shaping markets rather than responding to them. While clear policy signals can drive innovation, misalignment between regulation and market readiness risks increasing costs, distorting markets and eroding public confidence in the transition.

Why this matters

EVs will undoubtedly play an important role in decarbonising the transport sector, but their environmental benefits and commercial viability depend on infrastructure, affordability and consumer confidence keeping pace with policy ambition.

From a commercial awareness perspective, this debate matters because it shows how regulation can reshape markets, shift risk across supply chains and influence consumer behaviour, making the gap between policy goals and market reality critical for businesses to navigate.

Zein Asghar is a trainee solicitor at Shoosmiths.