January is set to be an "important month" for Volkswagen and whether they enter Formula 1 from 2026, CEO Stefano Domenicali says.

The German company has long been linked to joining the grid with either their Audi or Porsche brand when the new power unit regulations are introduced in a few years time.

In fact, just last month, RaceFans reported Audi was poised to announce their entry into F1 in January, this after Porsche confirmed a return to WEC's Hypercar category from 2023 in a partnership with Team Penske.

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Perhaps then it's no coincidence that Domenicali is teasing a decision from VW in the coming weeks.

“I think we have an important month ahead of us in terms of the Volkswagen Group’s decision,” the Italian told Germany's Sport1.

“Joining would be great, but I can’t speak on behalf of VW. I was part of this incredible group for a few years (as CEO and president of Lamborghini from 2016-20) and I know how hard they are working on the future.”

In December, the FIA announced the latest agreed to regulations regarding the new power units in 2026.

The MGU-H, which was added in 2014, is to be scrapped, while the current 1.6L V6 ICE is to be retained alongside a much more power ERS, producing roughly 470hp of electrical power compared to just 161hp now.

A cost cap on engines is also set to be implemented in the hope of attracting other manufacturers, although the details are still to be decided.

Commenting on the new power units, Domenicali believes F1 is doing its best to try and mix the need for sustainability and efficiency with the 'show'.

“Our 100% sustainable fuel, which we plan to use alongside new hybrid engines with a higher electric content, can give manufacturers a second route alongside electromobility,” he said.

“And that applies not only to the Volkswagen Group but to every car manufacturer. With regard to Volkswagen, however, I hope they will make a decision soon.

“It was great that they were involved in the development of the new engine rules. Now it’s up to them to take the final step.”