FIA directive will ensure customer teams have engine performance parity with works teams. read more »

The FIA has moved to remove doubts about Formula 1 customer teams having engine performance parity with their works counterparts. read more »

Cyril Abiteboul wants to see Renault matching customer outfits Red Bull and McLaren by the 2019 season. read more »

McLaren: No doubts over Renault parity read more »

Helmut Marko says there have never been doubts over Renault's parity as an engine supplier, amid a row between the manufacturer and Toro Rosso. Renault chief… read more »

Daniel Ricciardo says he has no concerns over driver parity at Red Bull moving forward, in the wake of Max Verstappen's long-term renewal. Verstappen, amid… read more »

Mercedes boss Toto Wolff insists that his team will continue to allow its two drivers to race. read more »

The FIA's criteria for calculating whether Formula 1 engine performance has converged is flawed, according to Red Bull boss Christian Horner read more »

Following its analysis, the FIA claims that there is near parity between the top three engine manufacturers. read more »

Toro Rosso Chief Franz Tost has called for a freeze on Mercedes engine development, until the rest of the grid catch up. read more »

Red Bull Boss Christian Horner is confident the team will receive equal parity on engines from Renault next season. read more »

Red Bull boss says Renault has "guaranteed" total engine parity with works team. read more »

Team bosses demand parity between Formula 1 teams after three years of the utter dominance of Mercedes. It is blamed to chase fans away from the sport and cause disinterest... read more »

Mercedes technical boss Paddy Lowe is confident that parity can be maintained as title fight reaches climax. read more »

Formula 1 is close to parity between its four engine manufacturers, according to Williams performance chief Rob Smedley read more »

Williams, Force India and Manor will make use of the same specification Mercedes power unit as the factory team, Andy Cowell confirms. read more »

Red Bull is certain that it will receive engine parity with Renault in 2016, despite the deterioration of its relationship with the manufacturer, which has… read more »

Toro Rosso technical chief James Key says that engine parity would be a clear way of improving the racing in Formula 1, as the sport's chiefs edge closer to a… read more »

Toro Rosso team principal Franz Tost says that his outfit would take 2015 Ferrari power units next year, though accepts Red Bull's desire for parity with leading squads.... read more »

Daniel Ricciardo is confident Red Bull will 'get what it wants' from Ferrari despite the its demands for engine parity with the works team. read more »

Yet to actually secure an engine deal with Ferrari, Red Bull is seeking total parity or it will quit F1. 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 »

Formula 1 should allow free engine development because it would lead to greater parity between the manufacturers and create better racing, believes Toro Rosso's Franz Tost read more »

Mercedes has 'gone out of its way' to ensure all four teams receive parity in its engine supply, according to Williams' Rob Smedley. read more »

Force India and Lotus feel it is getting equal treatment from Mercedes with its engines following Felipe Massa's suggestion that Williams isn't. read more »