🔗 Share this article Active Aero & Overtake Mode - Decoding F1's Updated Regulatory Jargon The 2026 cars are designed to be lighter, more agile and sustainable relative to present-day cars. Formula 1 has unveiled the official vocabulary that will be used to reference the intricate details of its new 2026 technical rules. The racing series is implementing what is arguably the most significant regulation change in its illustrious history for the 2026 campaign, featuring fresh chassis and power unit regulations and the compulsory introduction of fully sustainable fuels. The new power units, which maintain the hybrid V6 layout, boast a significantly increased battery power, driving major innovations in the cars' aerodynamics. Throughout races, competitors will strategically manage ERS energy – sometimes even flying laps – to achieve the best lap time. Broad surveys were undertaken with a wide range of fans, including new, casual and core fans, to understand which terms would improve understanding of the central aspects of the new regulations. The stated goal was to render a range of advanced technical aspects of the racing as straightforward as possible for the global fanbase. Consequently, initial designations for certain devices – such as "alphabetical mode names" for the active aerodynamics – have been abandoned in preference for descriptive names that clearly indicate the primary purpose of the technology. Key Technical Innovations The FIA states that competitors will have increased agency to choose strategies regarding battery management, harvesting, and conservation. The upcoming changes mandate a set of functions that will be visually displayed on TV overlays to aid the audience's understanding of the strategic duel. Attack Mode: This takes over from the present overtaking aid. It provides a burst of extra electrical energy available when a car is less than a second the leading car to assist with an pass. Power Mode: This is a manual power boost from the ERS that can be utilized during attack or defence. It provides the driver maximum power at the click of a switch. Both of these strategic tools will have to be deployed strategically, as the total energy is restricted. Adjustable Aero: Both the car's wings move automatically – opening on the straights for minimal air resistance and higher speed, and angling down in the turns for optimal cornering performance. Energy Harvesting: Drivers can recharge the energy store with regenerative braking, or during throttle lift at the straight's end or in sections where only partial power is used. Car Design Evolution The vehicles for the new era will be more compact and lighter compared to the 2025 spec, with a wheelbase cut by 200mm to 3,400mm, car width cut by 100mm – down to 1,900mm – and the minimum weight reduced by 30kg. Cumulative downforce is projected to decrease by approximately a significant margin, although squads will naturally regain performance as they optimize their packages. Air resistance has been cut by 40%. The cars will employ active aerodynamics – front and rear wings will open on the straight sections to cut resistance and boost top speed and revert into place for maximum cornering performance. Tyres will retain the current rim size, but the actual tyres will be slimmer, by 25 millimetres on the front axle and three centimetres on the rear. What's Changing in the Engines? The 2026 engines will have an approximate 50-50 split in horsepower generated by the internal combustion engine and the battery and motor, a rise from about one-fifth electric power this year. The ERS setup is streamlined through the removal of the MGU-H, the complicated and costly component that harvested power from the turbo. Every car on the grid will be obliged to compete on carbon-neutral fuel, created from biomass or synthetic industrial processes.