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The world of Formula 1 has revealed the official terminology that will be used to describe the intricate details of its revolutionary 2026 regulations.

The racing series is introducing what is considered the largest rules overhaul in its competitive history for the 2026 campaign, featuring revised car and engine specifications and the compulsory introduction of 100% sustainable fuels.

The updated 1.6-litre V6 turbo hybrids, which keep the hybrid V6 layout, boast a greatly enhanced electrical capacity, driving major innovations in the vehicles' aerodynamic design.

Throughout races, drivers will tactically deploy battery power – potentially on qualifying laps – to achieve the peak result.

Wide-ranging research were undertaken with a diverse audience, including long-time followers and newcomers, to identify which phrases would improve understanding of the key features of the 2026 changes.

The stated goal was to render a series of complex technical aspects of the sport as straightforward as possible for the global fanbase.

Consequently, older technical labels for some systems – such as "modes labelled X and Z" for the adjustable aero – have been abandoned in favour of intuitive labels that succinctly convey the real-world effect of the system.

Key Technical Innovations

According to rule-makers that racers will have greater control to determine tactics regarding energy deployment, harvesting, and saving energy.

The 2026 rules introduce a range of settings that will be shown on television graphics to improve the audience's understanding of the race battle.

• Overtake Mode: This replaces the current DRS. It provides a burst of extra electrical energy deployable when a car is less than a second the leading car to execute an pass.
• Power Mode: This is a on-demand battery discharge from the energy recovery system that can be utilized during attack or defence. It grants the pilot maximum power at the activation of a control.

Both of these key functions will have to be deployed strategically, as the total energy is restricted.

• Adjustable Aero: Both the nose and rear wings change configuration – opening on the long straight sections for reduced drag and top speed, and closing in the corners for maximum downforce.
• Recharge: Drivers can replenish their battery with power recovered from braking, or during partial power application at the conclusion of a straight or in certain corners where only partial power is required.

Car Design Evolution

The vehicles for the new era will be smaller and lighter than this year, with a distance between axles shortened by 200mm to 3,400mm, car width reduced by 100mm – down to 1,900mm – and the minimum weight decreased by 30kg.

Overall downforce is projected to decrease by approximately 15-30%, although squads will undoubtedly recover some as they develop their cars.

Air resistance has been reduced by 40%. The cars will utilize adjustable aero systems – front and rear wings will adjust on the straight sections to improve speed and enhance velocity and click back into place for maximum cornering performance.

Tyres will continue to use the current rim size, but the tyres themselves will be slimmer, by 25mm at the front and three centimetres on the rear.

What's Changing in the Engines?

The new power units will have an near-equal balance in horsepower generated by the internal combustion engine and the ERS, increasing from about one-fifth electric power in the current formula.

The hybrid system is simplified through the deletion of the Motor Generator Unit – Heat, the complicated and costly unit that recovered energy from the turbocharger.

Every car on the grid will be mandated to operate on 100% sustainable fuel, created from organic sources or lab-created processes.