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 »

Formula One's governing body, the FIA has initiated a significant regulatory process that could reshape how Formula 1 power units are evaluated from the 2026 season onward. read more »

During Formula 1 winter testing in Bahrain, the focus - apart from the ongoing compression ratio discussion - has mainly been on energy management during the races. Achieving... read more »

The debate over F1's engine compression ratio loophole has dragged into pre-season testing read more »

The Mercedes engine is at the centre of attention at the start of Formula 1 testing in Bahrain. Although Toto Wolff emphasised that Red Bull is the benchmark in his view, that... read more »

Didn't expect you'd be looking up articles online about engine compression a few months ago, did you? That's what new F1 regulations can do to you. Luckily,... read more »

McLaren CEO Zak Brown thinks the ongoing saga around Mercedes and the compression ratio of its power unit is "typical politics of Formula 1".The compression ratio of... read more »

Under the new Formula 1 power unit regulations, discussion about the compression ratio flared up even before a single wheel had turned with the 2026 machinery. The ratio... read more »

Mercedes Formula 1 team principal Toto Wolff has called on rival power unit manufacturers to "just get your s*** together" after they voiced complaints to the FIA on... read more »

Here we are and here we go: the status quo will remain as the 2026 Formula 1 season gets under way. Mercedes and Red Bull Powertrains will be able to race with power units... read more »

The FIA has said it is keen to settle Formula 1's first major technical controversy before the 2026 era gets under way in Australia.Several manufacturers believe Mercedes... read more »

There are several unfortunate echoes from grand prix history in the controversy surrounding compression ratios in the new generation of hybrid engines. Formula 1 teams are... read more »

Red Bull Powertrains' Ben Hodgkinson is confident of having a fully legal engine in 2026, amidst speculation regarding compression ratios... read more »

Red Bull is certain the compression ratio of its 2026 Formula 1 engine is within the regulations, as Red Bull Powertrains director Ben Hodgkinson says the recent controversy is... read more »

Even before the first collective on-track Formula 1 action of 2026, there has been talk about the new engine regulations. More specifically, the focus is on the compression... read more »

Formula 1's new 2026 power units will debut at the Circuit de Catalunya in just over five weeks' time, but questions over a grey area of the new regulations has... read more »

In Formula 1 technical parlance, the "isochronal ratio" can be described as the ratio between lift (downforce being negative lift) and drag. At circuits like Jeddah,... read more »

One of the main advantages that Red Bull exploited throughout last season was good aero efficiency, which made the car strong in a straightline.Its advantage increased when its... read more »

The modifications centre around the car's sidepods, with the shape of the inlet and underbite corrected in order to improve flow to the radiators, coolers and ancillaries... read more »