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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 new 2026 rulebook.

The championship is introducing what is arguably the largest technical shift in its long history starting in 2026, featuring new chassis and engine rules and the required adoption of eco-friendly fuels.

The updated 1.6-litre V6 turbo hybrids, which keep the 1.6-litre V6 configuration, boast a substantially higher battery power, driving significant developments in the vehicles' aerodynamic design.

During grand prix events, competitors will strategically manage ERS energy – potentially on hot laps – to achieve the peak performance.

Broad surveys were carried out with a mix of viewers, including dedicated enthusiasts and casual observers, to understand which terminology would improve understanding of the main elements of the new regulations.

The primary aim was to render a set of intricate technical aspects of the sport as easy to grasp as possible for the widest audience.

Consequently, previous placeholder terms for certain devices – such as "x-mode and z-mode" for the adjustable aero – have been abandoned in favour of descriptive names that directly explain the actual function of the system.

Key Technical Innovations

According to rule-makers that racers will have increased agency to choose strategies regarding battery management, harvesting, and efficiency.

The new regulations feature a range of settings that will be visually displayed on TV overlays to enhance the fans' insight of the strategic duel.

• Attack Mode: This replaces the present overtaking aid. It provides a burst of extra electrical energy deployable when a competitor is close behind the car ahead to assist with an pass.
• Boost Mode: This is a manual battery discharge from the energy recovery system that can be deployed for attack or defence. It provides the driver maximum power at the push of a button.

Both of these crucial modes will have to be used with calculation, as the overall battery capacity is capped.

• Active Aerodynamics: Both the car's wings adjust their angles – spreading on the straights for low aerodynamic resistance and increased velocity, and angling down in the corners for peak grip.
• Recharge: The system can recharge the energy store with regenerative braking, or during throttle lift at the end of straights or in corners where only partial power is applied.

2026 Car Specifications

The next-generation machines will be reduced in size and weight compared to the 2025 spec, with a distance between axles cut by 200mm to 3,400mm, width cut by 100mm – down to 1,900mm – and the minimum weight lowered by 30kg.

Overall downforce is expected to drop by approximately fifteen to thirty percent, although constructors will naturally regain performance as they optimize their packages.

Air resistance has been slashed by 40%. The vehicles will employ adjustable aero systems – both wings will open on the straights to cut resistance and increase straightline speed and return into place for peak handling.

Pirelli tyres will retain 18-inch rims, but the tyres themselves will be reduced in width, by 25mm at the front and 30 millimetres on the rear axle.

2026 Engine Regulations

The new power units will have an near-equal balance in horsepower generated by the ICE and the ERS, a rise from about 20% electrical in the current formula.

The hybrid system is streamlined through the deletion of the Motor Generator Unit – Heat, the sophisticated and pricey unit that generated electricity from the turbo.

All vehicles will be obliged to compete on 100% sustainable fuel, created from plant-based materials or synthetic production methods.