Active Aero & Overtake Mode - Explaining F1's New Regulatory Jargon
The 2026 Formula 1 cars are expected to be lighter, more agile and sustainable relative to present-day cars.
F1 has unveiled the simplified vocabulary that will be used to explain the technical complexities of its new 2026 technical rules.
The championship is introducing what is considered the most significant regulation change in its illustrious history for the 2026 campaign, featuring new chassis and engine rules and the compulsory introduction of fully sustainable fuels.
The updated 1.6-litre V6 turbo hybrids, which retain the 1.6-litre V6 configuration, boast a significantly increased battery power, necessitating major innovations in the cars' aerodynamics.
Over a race distance, drivers will carefully oversee ERS energy – including during flying laps – to achieve the peak result.
Broad surveys were carried out with a diverse audience, including new, casual and core fans, to understand which phrases would aid comprehension of the central aspects of the upcoming rules.
The primary aim was to make a set of intricate technical aspects of the racing as accessible as possible for the global fanbase.
Consequently, previous placeholder terms for certain devices – such as "alphabetical mode names" for the adjustable aero – have been abandoned in preference for descriptive names that succinctly convey the real-world effect of the technology.
What's the New Technology?
According to rule-makers that competitors will have more power to determine tactics regarding battery management, harvesting, and conservation.
The upcoming changes feature a range of settings that will be visually displayed on television graphics to improve the audience's understanding of the strategic duel.
- Passing Mode: This replaces the current DRS. It provides a short boost of battery power deployable when a car is within one second the leading car to execute an pass.
- Boost Mode: This is a driver-operated energy deployment from the energy recovery system that can be utilized during offensive or defensive moves. It grants the pilot full engine and battery energy at the activation of a control.
Both of these key functions will have to be managed carefully, as the available electrical charge is strictly limited.
- Active Aero: Both the front and rear wings adjust their angles – flattening on the high-speed sections for reduced drag and higher speed, and angling down in the corners for peak grip.
- Recharge: Drivers can harvest energy with regenerative braking, or during coasting at the conclusion of a straight or in corners where only partial power is applied.
Car Design Evolution
The next-generation machines will be more compact and lighter than this year, with a car length shortened by 200mm to 3,400mm, overall width reduced by 100mm – down to 1,900mm – and the car weight decreased by 30kg.
Cumulative downforce is anticipated to be reduced by approximately 15-30%, although squads will undoubtedly recover some as they refine their designs.
Air resistance has been reduced by 40%. The vehicles will utilize moveable wing elements – both wings will open on the straight sections to reduce drag and increase straightline speed and revert into place for optimal grip in corners.
Wheels will keep the current rim size, but the actual tyres will be reduced in width, by 25mm at the front and 30 millimetres on the rear axle.
What's Changing in the Engines?
The 2026 engines will have an roughly half-and-half distribution in power produced by the petrol engine and the ERS, increasing from about 20% electrical under present rules.
The hybrid system is simplified through the deletion of the complex turbo energy recovery device, the complicated and costly unit that generated electricity from the turbocharger.
All vehicles will be mandated to operate on carbon-neutral fuel, created from biomass or synthetic production methods.