Red Bull
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Christian Horner has admitted that the team could join forces with another team in the future

There are some major caveat we need to get past before things get near progression, according to Red Bull's boss.

The finalisation of the engine regulations is due to be done.

According to legal documents filed with authorities, the company could take on a stake in Red Bull.

There was no formal agreement at this time.

The VW Group's chief executive said in May that the group and its subsidiaries would enter F1

Red Bull is expected to buy a team, while AUDI is expected to join forces with them. The Swiss-based team, currently racing as Alfa-Romeo, are the favorites.

Both are waiting for the engine rules to be finalized, something that has been delayed a number of times as stakeholders wrangle over the details.

The power-unit will be a 1.6-litre V6 hybrid but with a different energy-recovery system that will give more power to the engine.

F1 is committed to introducing fully sustainable synthetic fuels that are carbon neutral in their life cycle, they emit only the amount of carbon that has been taken out of the atmosphere to make them.

The removal of the complicated MGU-H will make the hybrid system simpler.

The final details of the rules are yet to be agreed, including to what degree new manufacturers will be aided to get up to speed, and the financial limits surrounding design and operation.

"After that point, we can sit down and have a further discussion with the guys atPorsche and it's going to be a lengthy progress."

I want to know if the regs are attractive enough for aPorsche or an audi to enter F1 in 2026.

The new Red Bull Powertrains operation has been set up to design a new engine for the 2026 rules and is expected to be joined by Porsche. Technical expertise and a large budget will be provided byPorsche.

The partnership is not believed to be the beginning of an exit strategy from F1 for Red Bull, who are committed to the sport for the rest of this decade.