The UK government is preparing to water down the central target of its Zero-Emission Vehicle (ZEV) mandate, according to multiple reports. The share of fully electric cars that manufacturers must sell by 2030 would fall from 80% to 50%, with hybrids given a longer role in the transition. Crucially, the headline policy stays put: new pure petrol and diesel cars are still set to be banned from sale in 2030.
What Is Changing
The ZEV mandate sets a rising annual quota for the proportion of each carmaker's new sales that must be zero-emission, with fines for those who miss it. The reported reform leaves the yearly ratchet in place but lowers its endpoint, easing the steepest part of the climb toward the end of the decade.
| Year | Required all-electric share |
|---|---|
| 2025 | 28% |
| 2026 | 33% |
| 2030 (current) | 80% |
| 2030 (proposed) | 50% |
The 2026 figure of 33% is itself a significant jump on the 2025 requirement, and it is the near-term pressure manufacturers have complained about most. A formal announcement detailing the changes is expected within the coming weeks.
Why the Government Is Backing Off
The Society of Motor Manufacturers and Traders (SMMT) has argued that the economic conditions for delivering EV growth in 2026 are far more challenging than anyone foresaw when the mandate was designed roughly five years ago. Demand has not climbed as fast as the quota assumed, leaving carmakers exposed to penalties or forced to discount heavily to shift enough electric stock. Widening the role of hybrids gives the industry a lower-risk path to compliance while the charging network and prices catch up.
What It Means for European Owners and Tesla
Tesla is one of the few large carmakers that sells nothing but electric vehicles, so a softer mandate cuts both ways. On one hand, Tesla never needed the quota to sell EVs; on the other, the mandate has effectively forced rival brands to push electric cars they might otherwise have delayed — and to buy compliance credits from pure-EV makers. A lower 2030 target reduces that built-in tailwind.
For buyers, the practical near-term effect is modest. The 2030 ban on new petrol and diesel cars remains the fixed point on the horizon, so the long-run direction of travel is unchanged. What shifts is the intensity of manufacturer discounting between now and 2030: if carmakers face a gentler quota, the aggressive EV deals driven partly by compliance pressure may ease. The UK's stance also matters as a signal — it is the largest car market in Europe to publicly pull back on an interim EV target, and other governments weighing their own mandates will be watching.
The Bottom Line
Until the formal announcement lands, the 80%-to-50% figure is a reported plan rather than law. But the direction is clear: the UK intends to keep its 2030 destination while smoothing the road to get there.