Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

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FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Karun Chandhok says Mercedes is playing a “clever game” after Toto Wolff talked up the Red Bull engine ahead of a potential crucial vote on Mercedes’ power unit. The F1 2026 pre-season began on a ...

Aston Martin team principal Adrian Newey admits he’s “biased” when it comes to Formula 1’s engine controversy, given his team runs a Honda power unit. Even before the first grand prix of the F1 2026 ...

Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

McLaren have spoken out on the engine compression row that has engulfed F1 ahead of the 2026 season. Much of the build up to the new F1 campaign, which sees sweeping new power unit and chassis ...