Daniel Ricciardo has hailed his Red Bull team for producing an "unbelievable turnaround" after its troubled pre-season test period. read more »

Red Bull says an engine software issue caused Sebastian Vettel's troubled Australian Grand Prix qualifying session read more »

Melbourne has always been a very tough circuit for Formula 1 cars, but this year the challenge will be even greater with the new Power Units making their race debut. Not in the... read more »

Ferrari driver Fernando Alonso still reckons Red Bull Racing will be strong this year, despite a troubled winter for the reigning Formula 1 World Champions. read more »

Daniel Ricciardo has admitted that simply finishing the season-opening Australian GP represents a "big target" for Red Bull with the World Champions still needing to... read more »

Sebastian Vettel has maintained his personal tradition and named his car for the new season, the World Champion christening the troubled RB10 'Suzie'. read more »

Jenson Button endured a very difficult day on the end of winter testing. Technical issues prevented more running and now also leaves the team guessing about the performance of... read more »

Lotus believes it will need luck on its side just to finish the Australian Grand Prix after its troubled build-up to the 2014 Formula 1 season. read more »

Sebastian Vettel is refusing to weigh-in on his chances of defending his title as Red Bull's troubled pre-season draws to a close... read more »

Felipe Massa says Red Bull must be taken seriously this year, despite a troubled pre-season test period. read more »

Pastor Maldonado admits that things could be tough for Lotus when the F1 season starts in Australia after troubled day of running in Bahrain     read more »

Toro Rosso racers Jean-Eric Vergne and Daniil Kvyat have urged their team to keep calm following a troubled Formula 1 pre-season so far. read more »

Caterham driver Kamui Kobayashi has conceded that Renault powered teams are currently unable to compete with rivals Mercedes and Ferrari. Renault has endured a troubled start... read more »

Renault believes that Lotus will be able to complete "60 or 70 laps" on the third day of Formula 1 testing at Bahrain, despite its troubled first two days. read more »

World Champion Sebastian Vettel has admitted that there isn't an easy fix for Red Bull's troubled and troublesome 2014 car, the RB10. read more »

Adrian Newey has admitted that packaging problems with the new RB10 contributed to Red Bull's troubled Jerez Formula 1 test read more »

Renault have insisted that they are not 'months' behind schedule but admit that they are behind rivals Mercedes and Ferrari. Renault endured a troubled start to... read more »

Renault say the changes put in place for their troubled turbo power unit were "validated" during engine customers Lotus's promotional filming session at Jerez... read more »

The new Lotus car completes its first test to give engine supplier Renault a boost following a troubled pre-season. read more »

Red Bull insists that there is nothing 'major' wrong with its RB10, despite its troubled first pre-season Formula 1 test at Jerez. read more »

Representatives of the Red Bull, Toro Rosso and Caterham teams will reportedly be present when Lotus does its 'filming day' at Jerez on Friday. With the Enstone team... read more »

Kamui Kobayashi is not concerned that Renault's problems could last until the start of the 2014 Formula 1 season, despite its troubled week at Jerez read more »

Red Bull called an early end to its troubled week of Formula 1 testing at Jerez in Spain on Friday. read more »

Red Bull's troubled week of Formula 1 testing at Jerez continued on Thursday when the team was forced to abandon running after just three laps read more »

World Champions Red Bull and Sebastian Vettel endured another troubled day as they suffered the rare indignity of propping up the timesheets on Day Two at Jerez. read more »