london formula ones governing body approved engine regulations for 2026 on tuesday an eagerlyawaited move that could lead to the arrival of premium volkswagen group brands porsche and audithe international automobile federation fia said its world motor sport council wmsc also updated the 2022 and 2023 technical rules to address safety concernsthe new power unit will retain the highrevving 16 litre v6s but have significantly increased electrical power and use 100 sustainable fuelsthe current motor generator unit heat mguh element will be removed reportedly a prerequisite for the volkswagen group brands to come inthe regulations are intended to make it possible and attractive for newcomers to join the sport at a competitive level the fia saidit added they were the result of a collaborative consultation between the fia and both incumbent and potential new pu power unit manufacturersmedia reports have indicated porsche is planning to take a 50 stake in red bull technology the company which builds cars for the current championship leadersred bull team boss christian horner told reporters at last months hungarian grand prix there was constructive discussion with porsche but still plenty of caveats and hurdles to overcomethe first actual hurdle for any new manufacturer coming in is those technical regulations for the power unit from 2026 onwards he saidaudi have been linked to sauber the swissbased company that runs the alfa romeo teamroll hoopsthe wmsc also approved changes to roll hoops a consequence of chinese driver guanyu zhous big crash at silverstone and measures to reduce aerodynamic porpoisingfia president mohammed ben sulayem said significant time and resources had gone into analysing and resolving the problem of vertical oscillation with the new generation of cars introduced this yearthe fia has a duty to act and ensure that the drivers are not put at undue risk of injury as a result of this phenomenon he addedthe fia will be measuring the phenomenon from the belgian grand prix at the end of augustin 2023 floor edges will be raised by 15mm a compromise agreed by teams after the fia initially proposed raising them by 25mmsome teams such as ferrari and red bull do not have a problem with porpoising and argued the initial proposals favoured those who got this year wrongthe fia said a key finding from the silverstone crash was that the pointed top of the alfas roll hoop ripped off after digging into the asphalt when the car flippeda rounded top will now be requiredfor 2024 the intention is to proceed to a significant overhaul of the roll hoop tests to ensure that cars in the future resist significantly more severe loads the fia added