"Four or five tenths" - Fred Vasseur doesn't believe compression ratio tweak will be Ferrari's saviour. read more »

From 1 June, new FIA tests for Formula 1 engines mean Mercedes'compression ratio loophole will be closed - but it may not be sufficient for Ferrari to catch up.As the... read more »

At this weekend's Australian Grand Prix, Mercedes jumped at the chance to prove they are in fact the ones to watch as the sport enters a controversial new regulations era. read more »

Lewis Hamilton leads the way as rivals accuse Mercedes of sandbagging and underplaying significance of compression ratio advantage. read more »

Ferrari driver Lewis Hamilton displayed an encouraing performance during the opening day of the season-starting Australian Grand Prix, but finished only seventh behind his... read more »

Lewis Hamilton hopes Mercedes' power advantage in Australia is not a result of compression ratios read more »

The McLaren boss suggested the pre-season talk was much ado about nothing ahead of the season opener. read more »

Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime F1 rule tweak that could hurt Mercedes' chances. The post Is the F1 compression ratio... read more »

A loophole, an e-vote and weeks of tension — but Coulthard says it was avoidable. read more »

In the build-up to the new Formula 1 season, alongside energy management, much of the discussion has centred on two words: compression ratio. Put simply, it is the ratio... read more »

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for... read more »

A decision has been announced by the FIA regarding the geometric compression ratio controversy, ahead of the 2026 F1 season. read more »

The FIA has confirmed changes to the F1 engine compression ratio regulations, with Mercedes powered cars set to suffer a significant impact. The post Mercedes impacted as FIA... read more »

The FIA has confirmed that all five engine manufacturers have agreed to a change to the engine regulations relating to compression ratios effective from 1 June. read more »

Formula 1's governing body the FIA says the series' power unit manufacturers have unanimously approved changes to how engine compression ratios are measured, with... read more »

A new twist has emerged in the Mercedes F1 compression ratio saga just under a week away from lights out in Melbourne. read more »

The long-running F1 power unit controversy in regards to compression ratios has reportedly taken a new twist. The post Is F1’s 2026 power unit controversy set for a new... read more »

With talk of compression ratios, rotating rear wings and Formula E on steroids, one area of major interest across the two weeks of pre-season testing ahead of the new F1 season... read more »

Ever since rivals discovered that Mercedes could comply with the 16:1 limit during static tests, but can achieve a higher ratio while running on track, the compression ratio... read more »

F1 TV's Sam Collins takes a look into the latest developments around compression ratio in Formula 1 as part of the 2026 technical regulations overhaul. For more F1®... read more »

In the weeks leading up to the season opener in Melbourne, the words "compression ratio" have dominated paddock conversations. Since rivals caught wind of the fact... read more »

The FIA has confirmed that a vote on a proposed change to the assessment of the power unit compression ratio in running condition will take place read more »

The FIA has launched an e-vote primarily centred on a proposed change to the assessment of the power unit compression ratio in running condition. read more »

Formula 1's five power unit manufacturers are set to vote on a proposed tweak to how engine compression ratios are measured, which could come into force over the summer... read more »

An update has been announced regarding the geometric compression ratio controversy that has hit the start of the 2026 F1 season, following a meeting of the F1 commission. read more »