Red Bull team principal Christian Horner says Liberty Media and the FIA should settle on a future direction for Formula 1 and give the teams an ultimatum.Liberty and the FIA worked in conjunction on plans for power unit regulations beyond 2020, but those proposals – which came amid numerous other...

Williams chief technical officer Paddy Lowe says the disparity between team budgets and the overall impact on performance is a bigger problem than Formula 1's engine regulations.Power unit regulations and performance have been hot topics in F1 since the introduction of the V6 turbos in 2014, with Red Bull team...

The FIA and Formula 1 have outlined their plans to simplify the current V6 turbo hybrid power units from the 2021 season onward.The future direction of Formula 1’s engine regulations has been a central topic for a number of years, and the FIA and Formula 1 have worked together to...

Ross Brawn says the next generation of Formula 1 engine will not be about "soft middle ground", but nor will they revert to being naturally-aspirated.The current V6 turbo hybrid power units will remain in place until 2020, but discussions are already ongoing with regards to where the sport goes next....

Formula 1 should keep its current engine specification until 2025, which could then make it more attractive to new manufacturers, according to Toro Rosso boss Franz Tost.The current generation of 1.6-liter V6 turbo hybrid power units were introduced in 2014, at a huge cost to manufacturers but at the same...

Renault managing director Cyril Abiteboul has called for the abolition of Formula 1's current fuel-capacity limit, believing it is "destroying" the positive messages regarding the power unit technology.While the 1.6-liter V6 turbocharged hybrid systems are restricted to a fuel-flow rate of 100kg (220lb) per hour, they are also not allowed...

Mercedes has released a video of the exhaust layout from its W07 car it is hoped will improve the noise factor in Formula 1 this season.Following the introduction of the 1.6-litre V6 turbo-charged hybrid power units in 2014, considerable criticism has been aired about the lack of noise compared to...

Daniel Ricciardo has no doubts Formula 1 drivers would back a move to 1000 horsepower engines in 2017, and thinks it will help the top stars better show their talent.F1 teams are due to meet again next week to continue discussions about a change to the engine regulations in a...

Related StoriesMcLaren racing director Eric Boullier says resolving Formula 1's cost crisis will be tough because fixing one area can have knock-on effects, as teams begin a crunch meeting.Debate over unsustainable spending in F1 has raged throughout 2014, and the sport's bosses have called teams to the meeting on Thursday...

Mercedes motorsport boss Toto Wolff has warned that relaxing Formula 1's engine freeze regulations could have unintended negative consequences.F1 chiefs have been discussing relaxing rules that prevent manufacturers from making changes to engines for reasons other than safety or reliability during the season. Wolff has previously suggested Mercedes would be...