ZEV Mandate Consultation: What Weaker EV Targets Mean for Drivers
The ZEV mandate consultation could cut the 2030 EV sales target from 80% to as low as 50%. What the review means for the petrol ban, prices and charging.
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The government has launched a ZEV mandate consultation that could cut the share of new cars manufacturers must sell as electric in 2030 from 80% to as low as 50%. The review, opened by the Department for Transport on 14 August and running until 23 October 2026, is the strongest signal yet that ministers believe the legal electric vehicle sales trajectory has drifted away from what showrooms can actually deliver.
One thing is not changing, and it is the point much of the coverage buries. The 2030 phase-out of new pure petrol and diesel cars stays, and so does the 2035 requirement for every new car and van to be fully zero-emission. Transport Secretary Heidi Alexander put it plainly: "The end goal hasn't changed – but we need to take business with us on the journey."
What is on the table is the year-by-year path between now and then. For drivers, that path matters more than the headline dates, because it shapes how heavily electric cars are discounted, how quickly affordable used EVs reach the second-hand market, and how fast the charging network grows.
ZEV Mandate Review: The Essentials
- 01The DfT's ZEV mandate consultation opened on 14 August 2026 and closes on 23 October 2026.
- 02Manufacturers must sell 33% zero-emission cars in 2026, rising to 80% by 2030; the options would lower that to 70%, 60% or 50%.
- 03The 2030 phase-out of new petrol and diesel cars and the 2035 all-zero-emission deadline are unchanged.
- 04Around 27% of new cars sold in July 2026 were fully electric, up 45% on July 2025, according to the DfT.
- 05ECIU analysis says cutting the 2030 target to 50% would cost drivers £23.6bn by 2050 and mean 5.8 million fewer EVs.
- 06The Electric Car Grant of up to £3,750 is unaffected and has helped more than 160,000 buyers since July 2025.
The 2030 Petrol Ban Is Not Being Scrapped — So What Is Under Review?
Two separate policies are routinely conflated in this debate, and the distinction is the single most useful thing a car buyer can understand.
The first is the ZEV (zero emission vehicle) mandate: an annual legal quota on manufacturers, not on drivers, dictating what percentage of each brand's new sales must be zero-emission. It began at 22% in 2024 and rises every year to 80% in 2030. A manufacturer that misses its quota and cannot cover the gap with flexibilities pays £12,000 per non-compliant car.
The second is the set of phase-out dates: no new pure petrol or diesel cars from 2030, full hybrids and plug-in hybrids allowed until 2035, and from 2035 every new car and van must be zero-emission. Used petrol cars can be driven, bought and sold indefinitely; the rules only ever cover new sales.
Only the first policy — the sales trajectory and its supporting rules for 2027 to 2035 — is under consultation. The government restated the 2030 and 2035 dates in the same press release that launched the review.
Quota, Not Ban
The ZEV mandate never stopped anyone buying a petrol car. It requires car makers to hit a rising electric share of their own sales, which in practice pushes them to discount EVs, restrict petrol supply, or buy credits from rivals that overshoot their targets. That is why weakening it affects prices before it affects choice.
ZEV Mandate Explained: The Targets as They Stand
The current legal trajectory for cars is unambiguous, and it is steep. Sales must roughly triple their electric share in the four years between now and 2030.
| Year | Cars: minimum ZEV share | Vans: minimum ZEV share | |------|------------------------|-------------------------| | 2024 | 22% | 10% | | 2026 | 33% | 24% | | 2027 | 38% | — | | 2028 | 52% | 46% | | 2029 | 66% | — | | 2030 | 80% | 70% | | 2035 | 100% | 100% |
The scheme has already been softened once. In April 2025, ministers cut the per-car payment from £15,000 to £12,000 and confirmed that both full hybrids and plug-in hybrids could stay on sale until 2035. The Energy and Climate Intelligence Unit (ECIU) estimates those earlier changes alone will mean 1.4 million fewer EVs by 2035.
Where the Market Stands.
What the ZEV Mandate Consultation Actually Proposes
For cars, the Department for Transport sets out four alternative pathways. Three would lower the targets from 2027 onwards, landing at 70%, 60% or 50% by 2030. The fourth would keep the 80% headline but extend the scheme's flexibilities, giving manufacturers more accounting room without a public retreat.
For vans, the options mirror the car ones: 2030 targets of 60%, 50% or 40% instead of today's 70%, or keeping 70% with flexibilities extended through 2034.
The flexibilities themselves are also in scope, and they matter more than they sound. Manufacturers can currently trade credits between brands, bank surplus credits for up to three years, borrow against future compliance, and convert CO2 over-performance on their petrol fleet into ZEV credits. The consultation also examines the treatment of plug-in hybrids, whose official "utility factor" assumes far more electric driving than owners typically do.
Analysis by Carbon Brief found these mechanisms already do heavy lifting: once flexibilities are counted, the effective requirement for 2026 is around 25% rather than the headline 33%. Extending them further would be a real-terms cut dressed as continuity.
Nothing Is Decided Yet
This is a consultation, not a decision. The current targets remain law, the 2026 compliance year runs on unchanged, and the earliest target that could move is 2027's 38%. The government has not announced a date for its final decision.
Why Carmakers Say 80% Is Out of Reach
The industry's argument is arithmetic. Fully electric cars took roughly 27% of new registrations in July 2026 — the strongest month for the overall new car market since 2019 — and just over 25% across the year to date. That is short of even this year's 33% target, which most brands will only meet through flexibilities. From there, the mandate demands 52% in 2028 and 80% in 2030.
Mike Hawes, chief executive of the Society of Motor Manufacturers and Traders (SMMT), welcomed the review, arguing that regulatory targets are "running ahead of current consumer demand". The mandate, he has said, was conceived under very different conditions: cheaper energy, faster-falling production costs and rosier global demand forecasts.
Behind that language sits a commercial complaint. To drag their EV share towards quota, manufacturers have been discounting electric models heavily, squeezing margins in a sector already absorbing pressure from US tariffs — a threat UK News Live has covered in its analysis of the £22bn export risk facing British industry. The choice, brands argue, is between loss-making discounts, buying credits from competitors, or restricting petrol sales to flatter the percentage.
The Case Against Weaker Targets: Billions in Higher Running Costs
The counter-argument is that the mandate is precisely why EVs keep getting cheaper. "Demand doesn't just appear. It is built," said Tanya Sinclair, chief executive of Electric Vehicles UK, when the plans first leaked. Supply targets force price competition; remove them and the discounts fade.
The ECIU's analysis, published as the consultation opened, quantifies the stakes. Because an EV costs about £1,100 a year less to own and run than a petrol equivalent, every driver left in a combustion car is a driver paying more, year after year.
What Weaker Targets Could Cost (ECIU / Carbon Brief).
Carbon Brief adds that weaker targets could mean three million fewer battery-electric cars by 2030, an extra 7.4 million tonnes of CO2 that year, and roughly 17 million additional barrels of imported oil. ECIU is particularly scathing about plug-in hybrids, the likeliest gap-fillers: its research finds they burn around five times more fuel than official figures suggest, costing owners £600 or more a year above the brochure promise.
The investment case cuts the same way. Chargepoint operators finance installation against projected EV volumes, and fleet and leasing firms represented by the BVRLA have already committed £36bn to 750,000 electric vehicles. Energy UK has called the mandate the single biggest driver of emissions reductions in the UK's climate plans. Weaken the trajectory, the sector argues, and the private capital behind chargers and fleets gets more expensive.
The Politics: An Early Net-Zero Test for Andy Burnham
The timing has made this the Burnham government's first serious net-zero credibility test. Colin Walker, the ECIU's head of transport, noted acidly: "Proposing to water down the UK's biggest climate policy the day after temperatures hit 38C seems strange."
Within a day, Sir Sadiq Khan had joined in. "We need reassurance from the Government that they won't slow down on net zero or reducing our reliance on oil and gas," the Mayor of London said this week, pointing to a summer of heatwaves and wildfires. It is a notable public warning from a senior Labour figure to a Labour prime minister who has courted business with a deliberately pragmatic line on North Sea oil and gas.
The pressure comes from both flanks. The Conservatives' Richard Holden argues the mandate should be scrapped outright, not trimmed, while Greenpeace calls the review "a wrong turn for drivers, energy security, our climate". For a government already managing internal strain — examined in our coverage of Labour's local elections crisis — the consultation is a genuinely awkward middle path: enough movement to anger climate campaigners, not enough to satisfy those who want the quotas gone. It also lands months before ministers face scrutiny of Britain's delivery record following the 2026 global climate summit.
What the Review Means for Drivers Right Now
Today, nothing changes. The Electric Car Grant of up to £3,750 off a new EV continues — more than 160,000 buyers have used it since July 2025 — and the DfT says EV owners save up to £1,400 a year on running costs. The 2030 and 2035 dates stand. No target moves before the 2027 compliance year at the earliest.
Buying in 2026
The consultation does not touch this year's rules, so the current buyer's market persists: manufacturers still need to hit 33%, which sustains discounts on new EVs, and the grant still applies. Many households weighing an EV against rising motoring and housing costs — pressures detailed in our report on the 2026 cost of living squeeze — will find the running-cost arithmetic unchanged by anything announced this week.
If targets are cut, the plausible consumer-facing effects run in sequence. New EV discounts would soften first, as brands feel less pressure to chase quota. The used market follows: today's fleet and lease registrations become the affordable second-hand EVs of 2029 and 2030, so fewer new EVs now means a thinner, pricier used pipeline later. Charger rollout could slow where operators trim investment plans. And showrooms would likely carry more hybrids through 2035, since hybrids are the natural fillers of any gap between a lowered quota and the 2030 pure-petrol phase-out.
None of that is certain. If the government keeps 80% and merely extends flexibilities, the visible market may barely change — though the effective ambition would still fall.
What Happens Next and When
The consultation runs for ten weeks, closing on 23 October 2026, and invites responses from manufacturers, chargepoint operators, dealers, fleets and ordinary drivers. It also discharges a long-standing commitment, written into the policy at its launch, to review the ZEV mandate by 2027.
After the closing date, the DfT will analyse responses and publish a decision on the 2027–2035 targets. No decision date has been announced, and it would be a guess to name one. The practical deadline is commercial rather than political: manufacturers plan model allocations well ahead, so the industry will push hard for certainty before the 2027 compliance year begins.
How to Respond
The consultation documents are on GOV.UK under the Department for Transport's zero emission vehicle mandate review, and responses are open to the public until 23 October 2026. Consumer voices are explicitly invited alongside industry ones.
Frequently Asked Questions
Is the 2030 petrol ban being scrapped?
No. The government confirmed on 14 August 2026 that the 2030 phase-out of new pure petrol and diesel cars and the 2035 requirement for all new cars and vans to be zero-emission are unchanged. The consultation covers only the annual sales targets placed on manufacturers between 2027 and 2035, plus the flexibility rules that sit around them.
What is the ZEV mandate in simple terms?
It is a legal quota on car makers, requiring a rising share of their new sales to be zero-emission: 22% in 2024, 33% in 2026, 52% in 2028 and 80% in 2030. Manufacturers that fall short and cannot use flexibilities pay £12,000 per non-compliant car, or £15,000 per van. It regulates what brands sell, not what drivers buy.
When are petrol cars actually banned in the UK?
New pure petrol and diesel cars cannot be sold from 2030. Full hybrids and plug-in hybrids stay on sale until 2035, after which every new car and van must be zero-emission. Existing petrol cars are unaffected: they can be driven, taxed, bought and sold on the used market indefinitely. The rules apply to new registrations only.
Will weaker EV targets make cars cheaper?
It depends which cars. Manufacturers say lower targets would ease loss-making EV discounts, which could firm up new EV prices. ECIU and Carbon Brief analysis finds drivers overall would pay more: EVs cost about £1,100 a year less to run than petrol cars, so fewer EVs means roughly £3bn a year in extra costs by 2030, and up to £23.6bn by 2050 in the 50% scenario.
Is the Electric Car Grant still available?
Yes. The grant of up to £3,750 off a new electric car is untouched by the consultation and has supported more than 160,000 purchases since July 2025. It sits within a wider £7.5bn government package, including £4bn for DRIVE35 manufacturing projects and £3.5bn for vehicle grants and charging, plus a further £600m for charge-point rollout.
When will we know the outcome of the consultation?
The consultation closes on 23 October 2026, after which the government will analyse responses and publish its decision on the 2027–2035 targets. No decision date has been announced. The first target year that could realistically change is 2027, when the car quota is due to rise from 33% to 38%.
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