Red Bull's Christian Horner believes Formula 1 should delay the introduction of the biofuel planned for 2022 as such a development would prove inconsistent with the sport's prospective engine freeze. Unbeknownst to many, Formula 1's fuel specifications currently include a mandatory 5.75% of biofuel elements. But that portion is set to increase to 10% from 2022, with a 100% sustainable fuel being used when F1's ushers in its next engine cycle, scheduled for 2026 at the latest. Red Bull is pushing for a freeze on engine development from 2022 as it seeks to take over Honda's power unit program at a feasible cost. Horner suggests the introduction of the E10 biofuel in 2022 will offer little in...
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