Daniel Ricciardo insists he expected Red Bull's first 2015 Formula 1 test to be compromised, after a Renault engine change disrupted his running at Jerez on Tuesday. read more »

Daniel Ricciardo says he has no concerns about Renault's readiness for the new season despite seeing Red Bull's third day of testing cut short by a power unit change read more »

The third day of pre-season testing in Jerez saw Sauber's Felipe Nasr at the top of the timesheets, while McLaren made limited progress with its new Honda-powered MP4-30... read more »

Red Bull has revealed its new Renault-powered RB11 in a 'testing livery' at Jerez. read more »

Despite being confident that Renault have closed the gap to Mercedes, Adrian Newey has warned that a title tilt may be a step too far for Red Bull Racing... read more »

Toro Rosso has taken encouragement from the work engine-supplier Renault has achieved over the winter and believes it will be stronger than last year read more »

Renault's Formula 1 teams have faith that the French car manufacturer is well set to escape the testing nightmares that it suffered 12 months ago read more »

Toro Rosso's all new driver line-up of Max Verstappen and Carlos Sainz have unveiled the team's 2015 car in the pit lane in Jerez. Verstappen and Sainz took the wraps... read more »

Rookie drivers Max Verstappen and Carlos Sainz Jr. have taken the wraps off of Toro Rosso's new Renault-powered STR10 in the Jerez pit lane, ahead of the first day of... read more »

Although drivers will only be able to use four power units in F1 2015, Renault is optmistic that it has conquered the reliability woes that plagued it last year. read more »

Red Bull design guru Adrian Newey has set low expectations for the 2015 season, all but ruling out a title challenge, despite having yet to see how their car performs on... read more »

Adrian Newey thinks it too early to expect Renault to have made the progress needed to enable Red Bull to challenge for the Formula 1 world championship this year read more »

Red Bull has confirmed that Daniel Ricciardo will debut the squad's new Renault-powered RB11 at Jerez on Sunday. read more »

Renault claims that "fundamental changes" were made to its power units during the winter break in an effort to close the gap to Mercedes... read more »

Following on from last year's tardy start to the V6 era, Renault have set a goal of no fewer than "five victories" for this season... read more »

Red Bull's engine supplier Renault admits it might not have closed the performance gap to standard-setting Mercedes. read more »

Renault F1 managing director Cyril Abiteboul, chief technical officer Rob White and head of operations Remi Taffin look ahead to the new season. read more »

With pre-season testing due to get underway this weekend at the Circuito de Jerez in Spain, Renault has announced that their 2015 Hybrid power unit ... read more »

Renault has released new images of its 2015 power unit which will be supplied to both Red Bull and Toro Rosso this season. The French manufacturer struggled throughout 2014 and... read more »

Renault Sport reveals the extent of its changes ahead of the 2015 F1 season as it looks to bridge the gap to the dominant Mercedes. read more »

Renault says it has made "fundamental changes" to its Formula 1 engine over the winter period, as it bids to close in on pacesetters Mercedes. read more »

Renault says it has used the winter to make "fundamental changes" to its power unit ahead of the start of the 2015 season read more »

Technical Director at Renault Sport F1, Rob White highlights that the company has undertaken numerous structural and technical changes over the winter and revealed the new... read more »

Renault has completed a "fundamental" overhaul of its Formula 1 engine for the 2015 season in a bid to help Red Bull close the gap to Mercedes read more »

Lotus will use the 2015 Mercedes power unit in Jerez, contrary to reports from Germany's Auto Motor und Sport which reported that only Mercedes and customer team Williams... read more »