F1 compression ratio saga: What the FIA's tighter regulations actually mean

Let’s clarify the numbers: the current Formula 1 regulations allow an internal combustion engine compression ratio of 16:1 measured at ambient temperature. All power units checked in Australia were compliant with the 2026 technical regulations.
However, a heated controversy has been sparked by some F1 power unit manufacturers claiming that Mercedes, thanks to the introduction of a pre-chamber ...Keep reading