Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

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. New engine ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

Worn or broken piston rings will make an engine louder and less powerful, and create smoke in the exhaust, as well as increasing oil burn.

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

Its roots can be traced way back to the '50s.

Mercedes team principal and CEO, Toto Wolff, admitted being confused at how power unit compression ratios became a topic of conversation over rumours his team had managed to utilise a potential grey ...

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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 ...