‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.

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 ...

LONDON (AP) — 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.

FIA introduces stricter engine testing to ensure 2026 power unit compliance under real conditions. Toto Wolff downplays compression ratio concerns, acknowledging Formula 1's political nature. Q3 ...

While the FIA has signed off on Mercedes’ 2026 engine, rival teams aren’t happy with how the private test was handled at their factory. The debate around Mercedes’ 2026 engine, built for themselves ...

Alpine has strongly backed the legality of the Mercedes Formula 1 engine amid the compression ratio furore, arguing the FIA would set the wrong precedent should it intervene. This year F1 is ...

Engine tricks and energy harvesting: how F1 teams can exploit new rules to win in 2026 McLaren driver Oscar Piastri of Australia gets pushed back into his garage on the third day of Formula One ...