Toto Wolff has explained why Mercedes could not supply the latest upgrade of its power unit to its customer teams for the final few races. Mercedes supplies power units to... read more »

Valtteri Bottas says if Mercedes gave customer teams latest power units it would be mutually beneficial for both parties against rivals read more »

Formula 1's governing body, the FIA, has ruled out the possibility of customer squads using year-old power units from 2016. Manor Marussia, which has signed a current-year... read more »

FIA rules out year-old engines for customer teams read more »

Formula 1's governing body, the FIA, has clarified that customer power units used during the 2016-2020 seasons must be the same specification as that of the… read more »

Red Bull's hopes of securing a factory specification Ferrari engine in 2016 is assisted by a technical regulation tweak from the FIA. read more »

The FIA have ruled customer power units must be of the same specification as that of the works team in 2016. read more »

Bernie Ecclestone thinks Formula One needs a Cosworth customer engine for teams to turn to after seeing Red Bull edge closer towards quitting Formula One in Sochi. On Friday a... read more »

Continuing with Red Bull for the 2016 Formula 1 season would be a hard sell for the Renault board after the public slatings from its customer, says Cyril Abiteboul read more »

The three customer teams that use Mercedes power in Formula 1 will have to wait until pre-season testing to use the upgraded power unit currently being used by the Mercedes... read more »

The Mercedes customer teams will not receive the latest specification of Formula 1 engine from their supplier this season, Autosport has learned read more »

Mercedes has confirmed that it will supply Manor Marussia with current-year power units from the start of the 2016 campaign. Manor Marussia has used Ferrari's 2014 power... read more »

Mercedes has warned Lotus that there will soon come a time where it will have to cut its engine supply deal for next year in order to take on Manor as a new customer. Lotus is... read more »

Mercedes motorsport chief Toto Wolff says a potential engine supply deal for Manor is on standby until current customer Lotus's future in Formula 1 is determined read more »

Red Bull has reiterated its recent Formula One quit threat and says it will only stay in the sport next year if it is guaranteed engine performance parity in a customer deal... read more »

Red Bull owner Dietrich Mateschitz has admitted a short-term engine deal with Ferrari would be acceptable whilst the Milton Keynes team attempts to lure in Volkswagen or Audi.... read more »

A cost cap for engine-supply deals to customer teams and a ban on windtunnel testing have been agreed by the members of the Formula 1 Strategy Group, AUTOSPORT has learned read more »

A cost-cap for Formula 1 engine-supply deals to customer teams is being considered following a meeting of the Strategy Group, AUTOSPORT understands read more »

Red Bull team principal Christian Horner is confident his team can win championships again as long as it has a competitive customer engine deal. Red Bull was the dominant team... read more »

Mercedes customer teams appear to be in the dark as to when they will receive upgraded engines. read more »

Red Bull is in a desperate search to locate an engine supplier for the 2016 season after terminating its deal with Renault in favour of Mercedes engines, but that deal has... read more »

Force India’s Bob Fernley reckons the threat of customer cars has receded for now, but still thinks a re-appraisal of F1’s finances is needed to prevent their introduction in... 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 »

Renault is planning on spending the majority, if not all, of its 12 development tokens in one massive upgrade which it hopes will provide a big performance boost. The French... read more »

McLaren would welcome the opportunity for GP2 teams to be able to step up to Formula 1 with customer cars, according to its racing director Eric Boullier read more »