Daniel Ricciardo will drop ten-places on the grid in Brazil after Red Bull decided to use the upgraded Renault power unit on his car for the first time. read more »

Daniel Ricciardo will take a 10-place grid penalty for this weekend's Brazilian GP as Red Bull has decided to fit Renault's upgraded Formula 1 power unit, Autosport... read more »

Red Bull is to debut the upgraded Renault power unit at next weekend's Brazilian Grand Prix. read more »

Jenson Button refuses to be too disheartened by his limited track time in Mexico so far, saying the upgraded Honda power unit at least seems quicker read more »

Jenson Button may have to wait for Honda's upgraded engine for at least another race as the manufacturer investigates Fernando Alonso's engine problems from Austin.... read more »

Fernando Alonso cursed a late loss of power on his upgraded Honda power unit which saw him finish without a point at the U.S Grand Prix despite what he called "one of the... read more »

Red Bull Team Principal Christian Horner says that Renault's upgraded power unit will not be trialled until next month's Brazilian Grand Prix. Renault… read more »

Red Bull team principal Christian Horner has confirmed that the introduction of the upgraded Renault engine has been pushed back due to reliability concerns. The French... read more »

Carlos Sainz Jr does not believe Scuderia Toro Rosso will use the upgraded Renault engines in 2015, believing the performance gain will probably not warrant the penalties it... read more »

Jenson Button would be happy to have team-mate Fernando Alonso thrash him in Texas if it meant the upgraded Honda power unit is a big improvement read more »

Sebastian Vettel will take a ten-place grid penalty at the US Grand Prix after Ferrari decided to push through with a planned update to its power unit. Vettel is Lewis... read more »

Daniel Ricciardo doubts Renault's upgraded power unit has improved enough to justify Red Bull taking the penalties that would come with it at this weekend's United... read more »

Daniel Ricciardo admits his team is unlikely to use Renault's updated engine this weekend. read more »

Daniel Ricciardo says Red Bull is unlikely to use the upgraded Renault power unit available to the squad at this weekend's United States Grand Prix. Renault has brought... read more »

Lewis Hamilton's hopes of securing his third world title this weekend is given a boost as Sebastian Vettel confirms he will take a grid penalty. read more »

Red Bull and Toro Rosso will have the option of taking an upgraded Renault power unit for the United States Grand Prix. Renault has confirmed it has improved elements of the... read more »

Renault will have an upgraded power unit at COTA this weekend, but will the teams want to use it? read more »

Red Bull and Toro Rosso will have an upgraded Renault engine available for this weekend's United States Grand Prix. read more »

Renault says that it will make its upgraded power unit available at the United States Grand Prix, though it has not yet been decided whether Red Bull and Toro Rosso will use... read more »

Renault will deliver upgraded engines for this weekend's US GP - but it remains to be seen whether customer teams Red Bull and Toro Rosso elect to use the new units. read more »

Renault will have its new specification of power unit available to its customer teams, Red Bull and Toro Rosso, at this weekend's United States Grand Prix… read more »

Renault will bring an upgraded engine to the Circuit of the Americas this weekend after using eleven of its twelve available tokens, but is unsure whether Red Bull or Toro... read more »

Renault to make available upgraded engine in Austin read more »

Red Bull will have Renault's upgraded power unit available for this weekend's United States Grand Prix should the four-time world champion team choose to use it,... read more »

Honda's F1 chief Yasuhisa Arai says McLaren is happy with the development direction taken on the engine in recent weeks. Honda upgraded its maligned power unit ahead of... read more »