Mercedes have delayed the introduction of a new engine until after this weekend's Canadian Grand Prix because of reliability concerns. read more »

Reliability concerns force Mercedes to delay using a new engine that had been planned for this weekend's Canadian Grand Prix. read more »

FIA race director Charlie Whiting has played down suggestions he threw Mercedes staff members "under a bus" by naming them in relation to a recent investigation into... read more »

Charlie Whiting says he didn't think it was "any secret" which Mercedes F1 team members raised concerns about Ferrari's ERS despite Toto Wolff calling the... read more »

As the FIA looks into Ferrari's energy recovery system, Sebastian Vettel says he has no concerns about the process as rival team bosses welcome the move. read more »

Kevin Magnussen doesn't believe Pirelli's new hypersoft will cause any wear concerns at Monaco while feels Haas has profited from stronger tyre management this year. read more »

F1's power unit manufacturers have voiced concerns about losing the MGU-H unit in the 2021 technical regulations shake-up read more »

While welcoming the possible addition of Miami to the F1 calendar for 2019, Haas chief Steiner has concerns about a possible saturation of the calendar in the future. read more »

Renault's new engine upgrade has no "clear target" of when it will be introduced because of concerns over its reliability. read more »

Kevin Magnussen has relished securing 'pole position' in the fight between the midfield Formula 1 teams but concedes he has concerns for the Spanish Grand Prix read more »

Red Bull raised concerns about the prospect of Formula 1 team-mates Max Verstappen and Daniel Ricciardo colliding before the Azerbaijan Grand Prix read more »

The FIA has modified the Baku Formula 1 circuit's pitlane entry after concern from drivers ahead of the Azerbaijan Grand Prix. read more »

As for the end of the second session we just had a faulty sensor issue so no concerns. read more »

Daniel Ricciardo and Red Bull are confident they have a race-winning car at the Azerbaijan GP, even if Mercedes and Ferrari close their deficit in Saturday's qualifying... read more »

Kimi Raikkonen has eased concerns by saying his P15 and track absence from FP1 was down to nothing more than experimenting with set-up changes. read more »

Sebastian Vettel says Ferrari's half-second advantage over Mercedes was a surprise during qualifying for the Chinese GP but holds concerns ahead of the race read more »

After a weekend of contrasting fortunes in Bahrain, Franz Tost says he has no concerns about Brendon Hartley's pace during his time so far with Toro Rosso. read more »

Daniel Ricciardo feels Red Bull is "not looking too bad" on long-run pace in China, but has concerns about the team's qualifying runs on the Ultrasoft tyre after... read more »

Following concerns about overheating, Pirelli will bring tyres with a 0.4mm thinner tread to the races in Spain, France and Great Britain. read more »

The FIA will meet with Formula 1 Technical Chiefs on Saturday to discuss overtaking in Formula 1, and how to improve it for 2019. read more »

Liberty Media should not listen to self-serving Formula 1 drivers and instead trust its own research on how to improve the quality of racing, says Haas driver Kevin Magnussen read more »

Formula 1 teams signing FIA personnel risks creating mistrust between other competitors and the governing body, fears Sauber team principal Frederic Vasseur read more »

Following concerns about two FIA technical staff members' moves to F1 teams, Renault's Nick Chester plays down the influence they can have. read more »

Lewis Hamilton backed off during the closing stages of the Australian Grand Prix to save his engine, but Mercedes has no major concerns about its condition heading to Bahrain. read more »

Despite finishing a lap down in fifteenth in Australia, Brendon Hartley remains positive about the Honda power unit, and believes it will give Toro Rosso opportunities to... read more »