Daniel Ricciardo thinks the first day of testing in Barcelona proved Red Bull and Renault have solved the bigger issues which hampered their running in Jerez read more »

Daniel Ricciardo says he is encouraged by the improvements made by Renault after he set the third fastest time on the opening day of the second pre-season test at the Circuit... read more »

Renault is confident their engines levels will be 100 percent when the season gets underway next month... read more »

Renault has revealed that it may tactically delay using Formula 1 engine development tokens early this season in a bid to make bigger gains for 2016 read more »

Lotus is not expecting a return to the top step of the podium in 2015. In 2012 and 2013, when the returning Kimi Raikkonen was at the wheel of the black and gold car, the Finn... read more »

Switching from Renault to Mercedes power and toning down an aggressive design approach should pay dividends for Lotus according to team boss and lead driver. read more »

Although Gerard Lopez has hit out at Renault for focusing solely on Red Bull in 2014, he admits the engine wasn't Lotus' only problem... read more »

Renault have confirmed they are working with engine expert Mario Illien to fast-track progress on their V6-Hybrid engine for the 2015 and 2016 seasons. Illien played a key role... read more »

Renault are hoping their chances of closing the gap to Mercedes will be boosted by new consultant Mario Illien... read more »

Renault believes that the input of engine guru Mario Illien could be key to it fast-tracking its bid to close on Mercedes in Formula 1 read more »

Renault has urged caution over Formula 1's push towards 1000bhp engines, amid fears that costs could rise dramatically read more »

Red Bull boss Christian Horner insists the problems Renault faced in Jerez Formula 1 testing last week are nowhere near the severity of its 2014 troubles read more »

Whilst Ferrari and Sauber may have topped the times during the opening pre-season test in Jerez last week, speed trap data shows they might not have closed the gap to Mercedes... read more »

Renault insists their "performance level is where they expected" despite several reliability problems in the first test in Jerez... read more »

Renault says that they understand the problems which primarily affected Red Bull during the first pre-season test at Jerez last week and have not suffered from any setbacks. read more »

Renault are far more confident of a successful 2015 season following a successful Jerez test in which the engine manufacturer hit "almost all the objectives" they set... read more »

Renault says it will focus more on race performance at the next F1 test in Barcelona read more »

Renault says fixes for its Jerez reliability worries having been put in place - which means that the next Formula 1 test in Barcelona will show off its true potential. read more »

Renault was reassured by its performance at the opening test of 2015 in Jerez, despite numerous issues delaying Red Bull's progress read more »

Jerez witnessed the track debut for the upgraded Renault power unit that will power Red Bull and Toro Rosso in 2015. read more »

Daniil Kvyat has faith that Red Bull engine partner Renault can make the step needed for the next Formula 1 test at Barcelona after frustrations at Jerez this week read more »

Daniil Kvyat is relaxed that Renault has a hold off the problems that hampered Red Bull's mileage during the first F1 pre-season test in Jerez. read more »

The first pre-season test is now over and Ferrari have emerged as a potential title challenger with Kimi Raikkonen topping the combined times, whilst Ferrari power locked out... read more »

As Red Bull suffer with reliability issues, Carlos Sainz racks up a substantial 136 laps on his second day in the Scuderia Toro Rosso. read more »

Renault has revealed that its Formula 1 testing efforts at Jerez have been hurt by reliability worries over what it calls a "stupid part" on its engine read more »