Red Bull F1 boss Christian Horner says Renault has to "throw caution to the wind" after admitting his team in nowhere near a return to winnings ways.
Much has been made in recent days of plans to introduce a cheaper 'parity' engine for Formula 1's smaller teams. But there's more to the proposals than first meets the eye, as Kate Walker explains.
Renault is ready to invest more in order to get out of the difficult situation it is in following a disastrous start to the 2015 Formula 1 season.
Renault is hopeful it will be able to focus on improving its performance after it introduces "more permanent fixes" in the coming weeks following a poor couple of races.
F1 engine manufacturers have agreed that any move towards 1000bhp engines for 2017 must involve the current V6 engine configuration as a starting point, according to Toto Wolff.
Renault's technical chief Rob White admits that Red Bull and Toro Rosso are still vulnerable to power unit failures in the Bahrain Grand Prix as the company has not been able to address all of the causes of the problems in China.
Daniel Ricciardo fears Red Bull will start to serve penalties soon following all the problems Renault had during the Chinese Grand Prix weekend.
Red Bull owner Dietrich Mateschitz says the energy drinks giant will walk away from Formula 1 unless it has a competitive team – which includes its engine supplier.
Renault's director of operations Remi Taffin says the French manufacturer will be more aggressive with its engine settings in this weekend's Chinese Grand Prix.
Renault's director of operations Remi Taffin says the Red Bull-Renault package will be much stronger once the team has solved its problems by the Chinese Grand Prix.
Red Bull advisor Helmut Marko has admitted the team's chassis is also to blame for the poor start to the 2015 Formula 1 season.
Max Verstappen became the youngest-ever driver to score points in a Formula 1 race when he brought his Scuderia Toro Rosso home in P7.