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F1 to Rebalance 2027 Hybrid Rules Toward 60:40 Split

The change targets less battery reliance to improve race quality, with approval still to come.

Overview

  • Teams, engine makers, F1 and the FIA agreed to fast‑track a 2027 package that shifts the current near 50:50 petrol‑electric mix toward roughly 60:40.
  • Plans under discussion raise V6 output by about 50 kW through higher fuel flow and trim peak electric power from 350 kW to 300 kW to stop cars running out of boost on long straights.
  • Technical groups are refining the package and it still needs formal sign‑off by the F1 Commission, the Power Unit Advisory Committee and the FIA World Motor Sport Council.
  • The FIA is also reviewing the smaller Miami tweaks to energy use after early races exposed lift‑and‑coast driving and large speed gaps tied to battery charge.
  • Drivers say they lacked a voice when the 2022 philosophy set the 50:50 split and are now pushing for greater input as longer‑term engine ideas, including a possible V8‑style return, face manufacturer division.