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

Daniel Ricciardo is confident Red Bull will close the gap to Mercedes in the upcoming new F1 season and he'll challenge for the world title in his new role as unofficial... read more »

Renault has set a rather ambitious target: it intends to halve the gap to dominant Mercedes. The French manufacturer will start the season with a heavily-modified power unit. read more »

Renault are aiming to secure "at least five wins" during the 2015 season as it looks to close the performance gap to rival Mercedes. The French manufacturer admits it... read more »

Daniel Ricciardo is confident that Red Bull will be much closer to Mercedes this season as it won't have to endure the engine troubles it did during pre-season testing... read more »

Daniel Ricciardo is convinced that Red Bull will be closer to Mercedes in the 2015 Formula 1 season because the champion team will have reached a point of diminishing returns read more »

Adrian Newey has warned it will be “very difficult” for Renault and Ferrari, as well as engine newcomers Honda, to close the yawning gap to Mercedes in 2015. read more »

Red Bull team principal Christian Horner has congratulated rival outfit Mercedes on the job they did in 2014 after the outfit secured both the Drivers' and... read more »

McLaren-Honda's racing director Eric Boullier fears Mercedes will enjoy a power advantage next year, like they did in 2014, if the engine development rules aren't... read more »

Force India have set their sights on catching up with Williams next year with Andrew Green confident they will be able to close the gap... read more »

Williams head of vehicle performance Rob Smedley believes the rest of the pack will eventually catch up with Mercedes as "nothing lasts forever"... read more »

Force India are hopeful that the improvements they've already found and will find before the start of the 2015 season will be enough to see them chasing Williams. The... read more »

The Mercedes Formula 1 team will not be able to maintain its present level of dominance of the sport for a prolonged period, argues Williams performance chief Rob Smedley read more »

Kimi Raikkonen claims there were "many reasons" why he finished so far behind Ferrari team-mate Fernando Alonso this season... read more »

'Red Bull expect gap to Mercedes will increase in '15 read more »

Red Bull fears that it will not be able to close the gap to Mercedes in 2015 - and is worried its Formula 1 rival could be even further ahead read more »

Kimi Raikkonen admits there were many reasons for the 106-point gap to Ferrari team-mate Fernando Alonso this season read more »

Christian Horner insists that deposed world champions Red Bull remain a strong force and is confident they will close the gap to Mercedes in 2015. read more »

Williams impressive turnaround shocked the paddock at the beginning of the 2014 season, but it isn't enough for founder Sir Frank Williams. The team suffered an abysmal... read more »

2014 engine rivals Renault and Ferrari appear unlikely to close the gap to dominant Mercedes before the start of next season. The struggling marques pushed hard for the current... read more »

Christian Horner is worried Mercedes could extend its gap to the rest of the field next year and believes Red Bull's engine supplier Renault will do well just to catch up... read more »

Felipe Massa says he thought Williams had a chance at claiming victory at the Abu Dhabi Grand Prix as he finished just a couple of seconds behind newly crowned champion Lewis... read more »