F1 Approves Engine Regulation Shifts for 2027 and 2028

Formula 1 leadership has officially agreed to modify the power unit regulations for the 2027 and 2028 seasons. The central change involves a strategic increase in the output from internal combustion engines (ICE), signaling a recalibration of the energy balance introduced at the start of the current 2026 season.

Why it matters:

The 2026 regulations represented a massive pivot toward electrification, aiming for a precise 50-50 power split between the engine and energy recovery. However, as we progress through the current season, it has become evident that a shift is necessary to maintain the raw performance and high-speed spectacle that define the sport. By increasing the ICE's role, F1 is ensuring that the hybrid transition does not compromise top-end speed or manufacturer competitiveness.

The details:

• 2026 Baseline: The current V6 hybrid power units operate on a strict 50% ICE and 50% Energy Recovery System (ERS) split.
• 2027 Shift: The internal combustion output will rise to 58%, with the ERS contribution dropping to 42%.
• 2028 Evolution: The ICE contribution will increase further to 60%, leaving the ERS at 40%.
• Technical Goal: These adjustments are designed to optimize total power output and provide a more sustainable development path for the power unit manufacturers.

What's next:

This decision forces manufacturers to rethink their long-term technical roadmaps. While the 2026 era focused heavily on maximizing electric efficiency, the shift back toward a stronger ICE component means teams must now balance their energy recovery strategies with increased thermal efficiency. Expect the 2027 development cycle to focus heavily on extracting more raw power from the combustion side without sacrificing the sustainability goals of the current era.