🔗 Share this article

Formula 1 has introduced the new terminology that will be used to reference the technical complexities of its upcoming 2026 rulebook.

The sport is embarking on what is arguably the largest technical shift in its illustrious history starting in 2026, featuring new chassis and engine rules and the compulsory introduction of 100% sustainable fuels.

The new power units, which keep the hybrid V6 layout, boast a substantially higher energy storage, driving key advancements in the vehicles' aerodynamic design.

Over a race distance, drivers will tactically deploy ERS energy – sometimes even qualifying laps – to achieve the optimal result.

Broad surveys were conducted with a wide range of fans, including long-time followers and newcomers, to identify which phrases would make things clearer of the main elements of the upcoming rules.

The stated goal was to present a range of advanced technical aspects of the racing as accessible as possible for the broadest viewership.

Consequently, initial designations for certain devices – such as "x-mode and z-mode" for the adjustable aero – have been phased out in preference for intuitive labels that clearly indicate the actual function of the technology.

Exploring the New Tech

The FIA states that drivers will have increased agency to make decisions regarding energy deployment, harvesting, and saving energy.

The upcoming changes feature a series of modes that will be shown on broadcast screens to improve the fans' insight of the on-track action.

• Overtake Mode: This replaces the existing Drag Reduction System. It provides a short boost of battery power deployable when a car is close behind the vehicle in front to facilitate an overtaking maneuver.
• Extra Push Mode: This is a manual energy deployment from the energy recovery system that can be utilized during offensive or defensive moves. It delivers the driver full engine and battery energy at the click of a switch.

Both of these key functions will have to be managed carefully, as the overall battery capacity is restricted.

• Active Aerodynamics: Both the nose and rear wings change configuration – opening on the long straight sections for low aerodynamic resistance and increased velocity, and closing in the corners for maximum downforce.
• Recharge: Cars can replenish their battery with energy harvested under braking, or during throttle lift at the straight's end or in corners where only partial power is applied.

2026 Car Specifications

The next-generation machines will be smaller and lighter compared to the 2025 spec, with a wheelbase shortened by 200mm to 3,400mm, overall width reduced by 100mm – down to 1,900mm – and the car weight decreased by 30kg.

Total aerodynamic grip is projected to decrease by approximately a significant margin, although constructors will naturally regain performance as they refine their designs.

Aerodynamic drag has been slashed by 40%. The cars will utilize active aerodynamics – both wings will adjust on the straights to reduce drag and enhance velocity and return into place for peak handling.

Tyres will retain the current rim size, but the tyres themselves will be narrower, by 25 millimetres on the front axle and three centimetres on the rear.

2026 Engine Regulations

The revised hybrid units will have an approximate 50-50 split in power produced by the petrol engine and the battery and motor, a rise from about 20% battery contribution this year.

The hybrid system is simplified through the deletion of the Motor Generator Unit – Heat, the complicated and costly device that harvested power from the turbocharger.

All vehicles will be obliged to compete on carbon-neutral fuel, created from plant-based materials or synthetic production methods.