Christian Horner News

Red Bull`s decision to switch to the Japanese manufacturer means their two teams now have exclusive use of Honda engines but could complicate efforts to retain Australian Daniel Ricciardo.

 Renault have warned Red Bull that they are running out of time to take up the French manufacturer`s offer of a Formula One engine for next season and cannot wait until next month`s Austrian Grand

Renault's own works team are currently seventh in the 10 team constructors' championship with two races remaining while McLaren are ninth.

Team boss Christian Horner told reporters at the Mexican Grand Prix that he wanted the Australian to stay alongside Dutch 20-year-old Max Verstappen, who has a long-term contract.

Mercedes have triple world champion Lewis Hamilton under contract for next year while Finland's Valtteri Bottas joined in January with no guarantee beyond 2017.

McLaren`s decision to let Alonso go to Indianapolis was widely greeted as a welcome breath of fresh air by many others in the paddock before Horner`s outburst.

Hamilton`s gamesmanship was questioned by his employees after he twice rejected team instructions to speed up as Rosberg came under threat from Ferrari`s Sebastian Vettel.

Vettel, who won his titles with Red Bull, has had a difficult year with Ferrari failing to win a race with only two of 21 remaining.

The FIA could impose it on safety grounds, however, while approval for 2018 would acquire only a majority vote.

World champions Mercedes and Ferrari supply eight of the 11 teams, giving them more muscle in decision-making.

The announcement ends months of speculation surrounding their future in Formula One and which engines they would compete with.  

F1 faces the biggest challenge next year with several teams struggling to cope with the huge costs.

Red Bull`s Daniil Kvyat will start Sunday`s Japanese Formula One Grand Prix from the pitlane after turning his car into the biggest wreck of his career.