Could F1 return to V10 engines in 2026? As F1 looks to update its fuel regulations, there are currently two leading contenders in the fight - biofuels and e-fuels. Both have their merits, but why would F1 want either of them? Other than a backing from Porsche, that is... Jake Boxall-Legge looks at why the fuels are a step up from the current 2022 E10 fuel, and whether Vettel's Biofuel FW14B could lead to F1 returning to iconic V10 engines in the future. 0:00 F1's Future Fuels 0:41 The Problem with E10 Fuels 1:31 Biofuel 2:20 E-Fuel 3:37 Environmental Issues 4:24 Returning to V10 Engines #F1 #Formula1 #V10 FOLLOW us online: Website: https://www.autosport.com/ Facebook: http://facebook.com/AUTOSPORT Twitter: https://twitter.com/autosport Instagram: http://instagram.com/autosport Thanks for watching - please like, share and comment, and subscribe!