How the UK Could Replace £30 Billion in Lost Fuel Duty from EVs

From the moment the first battery electric vehicle rolled silently off a forecourt, a quiet assumption took hold among consumers: that electric motoring was fundamentally cheap. For the earliest adopters, those with home chargers, off-peak tariffs, and the benefit of generous government incentives, that assumption was broadly correct. Charging a family car overnight at a domestic electricity rate was, and remains, dramatically cheaper per mile than filling a tank with petrol or diesel.

But the framing of BEVs as a low-cost transport solution always rested on a structural anomaly rather than a durable economic truth.

The UK Treasury raises more than £30 billion annually from fuel duty and VAT on petrol and diesel sales, representing roughly 2% of all tax receipts. No rational government was ever going to allow that revenue base to simply disappear as the vehicle parc transitions to electric power.

The question was never whether EV drivers would eventually be taxed for their road usage.

The only real question was how.

The Unequal Economics of EV Ownership

One of the biggest complications in the transition to electric mobility is that not all EV drivers experience the same economics.

For drivers charging overnight at home, electricity costs can fall to around 7–8p per kWh, creating exceptionally low running costs compared to internal combustion vehicles.

For drivers dependent on the public charging network, the reality is very different.

Typical public charging costs can reach:

• Around 50p per kWh for standard public charging

• Up to 76p per kWh for rapid and ultra-rapid charging

Another imbalance sits on top of this.

Domestic electricity attracts 5% VAT, while public charging is taxed at 20% VAT. Critics have labelled this disparity the “pavement tax” because it disproportionately affects:

• Urban households

• Apartment residents

• Drivers without off-street parking

• Lower-income consumers unable to install home chargers

  
  

This creates a structural inequality within EV adoption itself.

While policymakers continue prioritising fleet electrification, the issue of charging fairness remains largely unresolved.

The Revenue Problem Is Becoming Impossible to Ignore

The fiscal challenge facing the Treasury is now substantial.

According to Office for Budget Responsibility projections, fuel duty revenues are expected to decline sharply as EV adoption accelerates:

• Fuel duty revenues could fall toward £12 billion by the early 2030s

• Revenues may approach near-zero within two decades as petrol and diesel vehicles retire

  
  

Government modelling also suggests that by 2030:

• Around one in five UK drivers could pay no fuel-duty-equivalent taxation at all

• Drivers of petrol and diesel vehicles would still contribute roughly £480 annually in fuel duty equivalent

  
  

This creates three interconnected pressures.

Absolute Revenue Loss

As the 2030 new combustion vehicle ban approaches and EV penetration accelerates, the Treasury faces a major erosion of tax income.

Distributional Inequality

Petrol and diesel drivers continue paying full fuel duty while many EV owners effectively drive tax-free.

Infrastructure Funding

EVs still contribute to:

• Road wear

• Congestion

• Infrastructure demand

Yet currently make no equivalent contribution to traditional road taxation.

The transition to electric mobility is irreversible.

The challenge now is creating a replacement tax structure that is:

• Administratively scalable

• Fair

• Difficult to manipulate

• Politically viable

  
  

The Government’s Current Proposal: eVED

The UK Government’s current approach is the proposed Electric Vehicle Excise Duty (eVED), announced in the Autumn Budget 2025 and currently under consultation. The scheme is expected to launch in April 2028.

Under eVED:

• Fully electric vehicle owners would self-declare annual mileage

• Drivers would pay approximately 3p per mile

• Petrol and diesel equivalents currently contribute around 6p per mile through fuel duty

• Plug-in hybrids would pay around 1.5p per mile because they continue purchasing fuel

At a conceptual level, the system has genuine strengths. It:

• Avoids GPS tracking or real-time surveillance

• Uses existing DVLA infrastructure

• Preserves a financial incentive for EV adoption

• Maintains lower taxation than petrol and diesel vehicles

Politically, this matters. The government clearly wants to avoid discouraging EV adoption during a critical transition phase.

The Structural Weakness of eVED

Despite these advantages, the proposed system carries a major vulnerability.

It depends on self-declared mileage. Unlike fuel duty, which is automatically collected at the point of sale and inherently accurate, eVED creates a reporting obligation that relies on consumer honesty. That introduces predictable risks.

Mileage fraud already exists within the used vehicle market, particularly around MOT records and resale values. Expanding a financial incentive to under-report annual mileage would likely increase this behaviour at scale. Enforcement would also become highly complex.

HMRC would require mechanisms capable of validating millions of mileage declarations, creating significant administrative burden and cost.

There is also a second issue. Even with perfect compliance, the proposed 3p-per-mile structure is calibrated below the fuel-duty equivalent. This means eVED would still recover only a portion of the lost revenue base.

At best, it functions as a transitional mechanism rather than a durable long-term fiscal architecture.

A More Elegant Solution: Tax the Electricity, Not the Driver

A more elegant solution may already exist within the infrastructure itself.

Instead of taxing the journey or requiring mileage declarations, taxation could be applied directly to electricity supplied through registered EV charging points.

The principle is straightforward.

Rather than asking drivers how far they travelled, revenue would be collected automatically at the point where electricity is supplied to a charging asset.

In practice, electricity suppliers would become the collection mechanism, much like fuel retailers currently collect fuel duty.

How a Transport Electricity VAT Band Would Work

Under this model, the government would create a dedicated “transport electricity” VAT band.

This could sit at approximately 15–18% VAT and apply specifically to electricity delivered through registered EV charging assets, including:

• Domestic charge points

• Workplace charging infrastructure

• Public charging stations

Crucially, much of the architecture already exists. Current OZEV grant conditions already require registration of domestic EV charge points, meaning an identifiable asset base is already in place.

At the same time:

• Electricity suppliers already meter usage

• Distribution Network Operators already track consumption

• VAT systems already distinguish between supply categories

No entirely new collection system would need to be created.

Why This Model Is Structurally Stronger

The biggest advantage of this approach is simplicity. The driver does not need to report anything. The supplier records electricity usage directly, making manipulation significantly harder than mileage self-reporting.

The system also offers several structural advantages:

• No tracking devices

• No GPS monitoring

• No new government agency

• No additional reporting burden on motorists

Revenue collection becomes automatic and scalable as EV adoption grows.

The Trade-Offs and Political Challenges

No taxation model is without complications.

A transport electricity levy would also introduce important policy questions.

Battery electric vehicles are significantly more energy-efficient than combustion vehicles. One kilowatt-hour of electricity generates considerably more road mileage than its liquid-fuel equivalent.

As a result, achieving revenue neutrality may require higher taxation levels than consumers currently expect.

There is also the issue of fairness between:

• Drivers with cheap overnight home charging

• Drivers reliant on expensive public charging infrastructure

Without careful calibration, lower-income urban households could still face disproportionate cost pressures.

A Two-Lever Solution May Be the Most Realistic Approach

Recovering the full fuel-duty revenue gap through a single mechanism may be politically unrealistic. A more practical approach could involve two complementary levers:

Lever One: Transport Electricity VAT

A dedicated VAT band applied to all electricity supplied through registered EV charging points. This becomes the usage-based component.

Lever Two: Weight-Based Vehicle Taxation

An annual VED supplement based on:

• Vehicle kerb weight

• Manufacturer suggested retail price

This reflects the reality that heavier vehicles cause disproportionately higher road wear, particularly as EVs continue trending toward larger SUVs and crossovers.

Importantly, DVLA already holds the required data.

No additional reporting infrastructure would be needed.

Conclusion: The Era of Tax-Free EV Driving Was Never Permanent

The era of effectively tax-free electric motoring was always temporary. The Treasury cannot sustain a multi-billion-pound erosion in tax receipts indefinitely, particularly while petrol and diesel drivers continue funding the majority of road taxation.

The proposed eVED model represents an attempt to address the problem, but it introduces structural weaknesses around compliance and long-term scalability. Meanwhile, HMRC’s ongoing appeal regarding VAT rates on public charging demonstrates that the government is already acutely aware of how sensitive EV electricity taxation will become in the coming decade. The most sustainable long-term solution may ultimately be the simplest.

A system that:

• Requires no behavioural change

• Avoids surveillance concerns

• Integrates with existing infrastructure

• Scales automatically with EV adoption

Taxing the electricity itself, combined with a weight-based vehicle supplement, achieves precisely that. Because the free ride is ending. The real challenge now is whether the replacement system is designed intelligently enough to support the transition it was created to fund.