Renault hoping for Red Bull loyalty after shared success

Red Bull's self-made deadline for the engine decision of 2019 is during the Austrian Grand Prix is edging ever closer, and Renault's chief engine developer Remi Taffin hopes that the Bulls will remain loyal.

Taffin explained to French magazine Auto Hebdo that the working relationship between Renault and Red Bull is more than well.

"We have to look at this in practice," Taffin explained.

Performance and relationships aside, Taffin explains that there are a lot of practicalities too that need to be considered.