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FIA Approves 2027-28 F1 Power-Unit Rules, Boost Mode Returns

6/24/2026

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Summary

Story summary

The FIA World Motor Sport Council approved Formula 1 power-unit rules for 2027-28.
The rules set the ICE-electric split at 58-42 in 2027 and 60-40 in 2028.
2027 regulations raise ICE power ~20 kW, cut ERS 50 kW, lift fuel-flow 5 %.
2028 ICE power reaches 450 kW, fuel-flow up 13 %, harvesting adds 25 kW per lap.
The council limited reconnaissance laps, could cut race distance, and reinstated Boost Mode for wet 2026 races on straights only.

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Story summary

The FIA World Motor Sport Council approved Formula 1 power-unit rules for 2027-28.
The rules set the ICE-electric split at 58-42 in 2027 and 60-40 in 2028.
2027 regulations raise ICE power ~20 kW, cut ERS 50 kW, lift fuel-flow 5 %.
2028 ICE power reaches 450 kW, fuel-flow up 13 %, harvesting adds 25 kW per lap.
The council limited reconnaissance laps, could cut race distance, and reinstated Boost Mode for wet 2026 races on straights only.