Tuesday 22 September 2015 09:18, UK
Watch as Sky Sports F1 pundit Martin Brundle untangles the current knot of engine politics surrounding Red Bull.
The team have confirmed that they will split from Renault but remain adamant that they will leave F1 at the end of the season if they do not land a 'competitive supply' of engines.
Just what does the future hold for the team? Will they stay in F1? Could they be rebranded as Audi?
Play the video to hear the latest from the Sky F1 pundit...
