The updates to Renault's Formula 1 power unit for the United States Grand Prix are aimed at power rather than drivability or reliability read more »

Renault has set their sights on a "clean weekend" in Austin, saying they have no concerns over the reliability of their new spec engine... read more »

Toto Wolff says the focus on reliability with Mercedes' engine upgrade is behind the decision not to offer it to Williams, Lotus and Force India. read more »

Mercedes boss Toto Wolff has admitted that Mercedes' reliability has not been up to standard, following a sequence of retirements for Lewis Hamilton and Nico Rosberg since... read more »

Mercedes motorsport boss Toto Wolff has admitted that the Formula 1 team's reliability record needs to improve, following two retirements in three… read more »

Toto Wolff says Mercedes will cover "every little detail" of its recent reliability problems to prevent a repeat in the final races of 2015. Mercedes'... read more »

Mercedes' has not made the step it had hoped for on reliability in Formula 1 this year, with its situation getting "worse and worse" according to Nico Rosberg read more »

Nico Rosberg laments his bad luck as he calls on Mercedes to investigate why 'small things' have derailed his 2015 F1 title dreams. read more »

Russian Grand Prix winner Lewis Hamilton admits reliability remains a concern for Mercedes following Nico Rosberg's retirement from Sunday's Formula 1 race at Sochi read more »

Despite his much publicised critique of the McLaren-Honda MP4-30's performance, Fernando Alonso points out that it was at least reliable in Japan read more »

While we know the limitations of our package, we are continuing to work tirelessly on our reliability and performance. read more »

Fernando Alonso says McLaren used Friday's limited running in Suzuka to carry out reliabilty checks after its double DNF at the Singapore Grand Prix. McLaren-Honda arrives... read more »

In Friday practice at the Japanese Grand Prix, Nico Rosberg successfully ran the power unit that was removed from his car at the Italian Grand Prix due to reliability concerns,... read more »

Fernando Alonso says McLaren-Honda is still in its winter testing phase as the Formula 1 team's reliability and performance problems drag on read more »

Eric Boullier demands McLaren Honda cures its reliability woes ahead of the Japanese Grand Prix and is bracing for another difficult race weekend read more »

Mercedes have blamed a 'freak' component failure for Lewis Hamilton's Singapore Grand Prix retirement, which cost the Briton a potential podium finish. Hamilton... read more »

Lewis Hamilton could match Ayrton Senna's record of eight consecutive pole positions this weekend, he could also equal the three-time champions 41 race win tally, leading... read more »

Nico Rosberg will use his fourth power unit of the season at this weekend's Singapore Grand Prix, putting him in a dangerous position which could see him take a grid... read more »

Renault CEO Carlos Ghosn has, for the first time, officially admitted that his company will no longer solely be an engine supplier in Formula 1, narrowing its future options.... read more »

Toto Wolff admits the decision to use an updated Mercedes power unit at Monza was risky as Nico Rosberg failed to finish with reliability problems. read more »

Mercedes took a risk in bringing its updated Formula 1 engine to the Italian Grand Prix before completing its reliability targets, admits the firm's head of motorsport... read more »

Mercedes has traced the cause of Nico Rosberg's reliability issue on Saturday to leak in the cooling system, which then contaminated the power unit itself. Rosberg had to... read more »

Red Bull's Daniel Ricciardo is surprised Renault is still having regular reliability issues now that it is well into its second year of developing its V6 turbo power unit.... read more »

Even though Mercedes dominated Friday practice running for the Italian Grand Prix Lewis Hamilton insisted that his upgraded power unit felt "the same" as before.... read more »

Yasuhisa Arai, Honda’s motorsport chief, believes that the Japanese car manufacturer’s Formula 1 engine is outperforming rival Renault by 25-horse power. Arai’s comments come... read more »