FIA consultant Gilles Simon said the 100% use of sustainable biofuel has been pushed back to 2025 to work with the new engines. As part of Formula 1's quest to become carbon-neutral, the FIA are planning to introduce fully-sustainable biofuels into all of their series. Formula 1 provides a bit more of a challenge though, partially due to the complexity of the current power units. Originally these biofuels were going to be solely powering the engines by 2023, but Simon believes it makes more sense to wait until the new power units arrive, most likely in 2025. The prototype fuels are now with Formula 1 engine manufacturers for testing. 'We developed a prototype because we wanted to find out...
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