Formula 1 cars have some excellent thermal efficiency, with even the best mainstream cars just scraping under their potential. But why is that?

F1 engine manufacturers with a large deficit to Mercedes may be allowed to introduce updates after just five Grands Prix, with a final decision set to be made next week.

The term ADUO is an acronym you will be hearing a lot more about this year, so what is it and how important of a factor will it be in 2026? Formula 1 returns with a Sprint weekend in Miami on May 1-3,

Teams could cut the deficit to Mercedes via the FIA’s engine catch-up system, ‘Additional Development and Upgrade Opportunities'.

Red Bull and engine partner Ford are seriously considering not implementing any performance upgrades to the power unit, even if permitted under ADUO, GPblog understands.

For Formula 1 teams that are down on power, the new ADUO process could be a lifeline: here's how the mid-season engine development exemption will work and what it takes for teams to qualify for it

Formula One will undergo one of the biggest overhauls in its 75-year history in 2026. Arguably its biggest ever. Never before has there been such a fundamental redesign of both power units and chassis in the same season. In an effort to improve the racing ...

Verstappen has admitted to being left disillusioned by the new F1 2026 rules, raising doubts over his future at the recent Japanese Grand Prix. Leclerc has been with Ferrari since