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The world of Formula 1 has introduced the official terminology that will be used to reference the advanced features of its upcoming 2026 technical rules.

The sport is embarking on what is potentially the largest technical shift in its illustrious history starting in 2026, featuring fresh chassis and power unit regulations and the mandatory use of eco-friendly fuels.

The revised engines, which keep the hybrid V6 layout, boast a significantly increased electrical capacity, necessitating key advancements in the aero packages.

During grand prix events, pilots will tactically deploy battery power – potentially on flying laps – to extract the peak performance.

Extensive fan consultation were undertaken with a diverse audience, including dedicated enthusiasts and casual observers, to determine which phrases would make things clearer of the central aspects of the 2026 changes.

The primary aim was to make a set of intricate technical aspects of the sport as accessible as possible for the broadest viewership.

Consequently, initial designations for specific components – such as "modes labelled X and Z" for the adjustable aero – have been abandoned in preference for straightforward terms that succinctly convey the actual function of the system.

What's the New Technology?

According to rule-makers that competitors will have greater control to choose strategies regarding power usage, harvesting, and conservation.

The new regulations introduce a series of modes that will be shown on television graphics to improve the audience's understanding of the strategic duel.

• Passing Mode: This supersedes the present overtaking aid. It provides a burst of extra electrical energy deployable when a driver is close behind the vehicle in front to execute an overtake.
• Power Mode: This is a on-demand battery discharge from the hybrid system that can be used in overtaking or defending. It grants the pilot full engine and battery energy at the push of a button.

Both of these strategic tools will have to be used with calculation, as the overall battery capacity is restricted.

• Active Aerodynamics: Both the front and rear wings move automatically – flattening on the high-speed sections for minimal air resistance and higher speed, and closing in the bends for peak grip.
• Energy Harvesting: Cars can recharge the energy store with energy harvested under braking, or during coasting at the straight's end or in sections where only partial power is required.

What's Changing on the Cars?

The 2026 cars will be smaller and lighter compared to the 2025 spec, with a car length reduced by 200mm to 3,400mm, overall width reduced by 100mm – down to 1,900mm – and the car weight reduced by 30kg.

Total aerodynamic grip is anticipated to be reduced by approximately a significant margin, although squads will naturally regain performance as they optimize their packages.

Aerodynamic drag has been reduced by 40%. The vehicles will feature adjustable aero systems – both wings will adjust on the straight sections to reduce drag and boost top speed and click back into place for peak handling.

Pirelli tyres will keep the current rim size, but the rubber compounds will be narrower, by 25 millimetres on the front axle and three centimetres on the rear.

Power Unit Revolution

The 2026 engines will have an approximate 50-50 split in power produced by the internal combustion engine and the battery and motor, a rise from about 20% battery contribution in the current formula.

The ERS setup is made less complex through the elimination of the Motor Generator Unit – Heat, the complicated and costly component that generated electricity from the turbo.

Cars will be obliged to compete on 100% sustainable fuel, manufactured from plant-based materials or lab-created processes.