The 2026 F1 season hasn't started yet, but there's already a major controversy brewing surrounding engines in cars being driven by Mercedes and Red Bull.

The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel flow meters as a way to control power outputs. Under the outgoing regulations, this was capped at 100 kg/h, but with the move to fully sustainable synthetic fuels, this is changing to an energy cap of 3,000 MJ/h instead.

There is intrigue surrounding a niche element of the F1 2026 regulations. PlanetF1.com dives in to explain what it all means.

This year's rules will make F1 cars slower by design, with officials expecting a modest lap-time drop as the championship resets its performance curve to manage safety, circuit limits and the demands

This article is part of our Forever Forward series, which is showcasing the ways Formula 1 is innovating for the 2026 season. Few things split Formula One fans like the power behind the championship’s mighty machines. Along with each political plot twist ...

Ferrari's 'revolutionary' engine has been approved ahead of the launch of Project 678 for Lewis Hamilton and Charles Leclerc in F1 2026.

Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season have already begun.

Formula 1’s 2026 race car introduces major technical changes, including updated hybrid power units, increased electrical energy use, active aerodynamics replacing DRS, and smaller, lighter chassis. The new rules aim to improve racing,

The cars will have to conform to fresh design rules in 2026 - will they be more popular than those which governed the past four seasons?

Car companies used to have an obsession with the number 12, especially in Formula 1. The siren song of a duodecimal engine has ensnared many an automaker, resulting in shrieking double sixes with pistons moving faster than the particles in the Large Hadron ...

V10 engines disappeared from F1 a long time ago, but just because the world’s best drivers no longer get to experience the joy of ten cylinders doesn’t mean you can’t. And why wouldn’t you want to? V10s sound extraordinary and combine a high-revving character with a sense of drama that modern turbocharged engines simply can’t replicate.