F1’s 2026 power unit regulations, demanding a 60‑40 electric‑internal combustion split, have sparked a backlash from drivers and prompted last‑minute rule tweaks.
Drivers Paint a Critical Picture
Max Verstappen slammed the new engine formula as “Formula E on steroids” during Bahrain’s winter testing, while Oscar Piastri criticised the self‑learning components at Spa‑Francorchamps, warning that computer‑driven grids could misfire.
Key complaints echo themes of energy mismanagement, super‑clipping and algorithmic unpredictability, ideas that had already surfaced in 2023 simulation data.
When Motorsport.com asked Tombazis about driver frustration, he dismissed claims of increased shock, noting that the FIA had anticipated such feedback and already incorporated adjustments where feasible.
Governance Holds the Reins
Power‑unit (PU) manufacturers joined under a 2022 governance agreement binding them to financial and operational limits, mirroring the Concorde Agreement’s team side.
That contract prevented newcomers like Audi from bloated spending while also limiting unilateral FIA changes; any alterations required a majority of PU signatories.
With only four possible PU allies in 2025, reform discussions stalled, forcing the FIA to accept RAF 2026 before‑season resolutions.
The 60‑40 Split: A Technical Challenge
Engineering teams were told to balance 60 % electric with 40 % combustion, a target that proved hard for OEMs, whose market focus has shifted strongly toward electrification.
Simulations from 2022 already flagged difficulties, but locked‑in commitments prevented major rule shifts before the season’s start.
Fighters on the track faced energy‑sapping tracks like Silverstone and Spa, amplifying concerns over the new power split’s practicality.
Regulatory Adjustments and Future Prospects
Modifications approved in May shifted the split gradually for 2027 and 2028, with a 60‑40/55‑45 progression, but many drivers felt this response was too late.
Tombazis highlighted that earlier, availed‑but‑closed discussions could have averted the “impressive” debate, noting that the FIA’s governance framework also constrained flexibility.
Despite the technical debate, the FIA maintained that most races retained excitement, citing increased on‑track fighting and a clear, yet not dominating, advantage for Mercedes.
On‑Track Entertainment Persists
Even as Mercedes edged a leading edge, the season’s top half offered frantic qualifying battles, proving that late‑stage regulatory tweaks did not erase the sport’s competitive core.
Fans worldwide continue to applaud the growing interplay between electrification and human skill, underscoring a successful, if contentious, evolution of the Formula 1 engine programme.

