F1 rules change from Miami to end battery controversy

The Federação Internacional of Automobilismo (FIA) announced immediate changes to the technical rules of the Fórmula 1 for the 2026 season. The measures come into force in the Grande Prêmio of Miami and respond directly to complaints from drivers about the energy management of the new power units. The main focus is to mitigate the negative effects of charging batteries during the straights, a phenomenon that has hampered the pace of races.

The decision comes after the start of the championship marked by terms such as “Battery World Cup” and comparisons with video games. Pilotos from the grid expressed dissatisfaction with the artificial way in which electrical power has dictated overtaking. Além Furthermore, safety has become a central point of debate following incidents where sudden loss of speed caused real risks of rear-end collisions on high-speed circuits.

The end of the MGU-H era and the challenge of kinetic reloading

The basis of the problem lies in the simplification of power units introduced this year. Para attract new manufacturers like Audi and Ford, the category chose to remove the MGU-H, a component that recovered thermal energy from exhaust gases. Sem this part, the cars depend exclusively on the MGU-K, which transforms kinetic energy from braking into electricity for the 350kW battery.

Essa change radically altered the balance of forces of the engines. Atualmente, the ratio between the internal combustion and electrical system is almost 50% each way, making load management vital to performance. Confira the main components that form the heart of today’s cars:

• Motor internal combustion (ICE) 1.6-liter turbocharged V6.
• Unidade of kinetic energy recovery (MGU-K) with 350kW of power.
• High-capacity lithium-ion Bateria for storage.
• Sistema electronic power management control.
• Overdrive Botão for immediate release of accumulated energy.
• Predefined mapping Software for automatic recovery.

Entenda the concept of superclipping and the loss of speed

The term superclipping began to appear on official broadcasts as an explanation for atypical maneuvers. Ele describes the moment when the car’s electronic system decides to interrupt the supply of electrical energy to recharge the battery, even when the driver still has his foot on the accelerator at the end of a long straight. Quando This happens, the combustion engine is left alone to push the vehicle.

The result is a sudden drop in performance, which can reach a reduction of up to 50 km/h in relation to the maximum designed speed. Equipes configure these moments via software, but the intensity with which the electrical power is “cut” to encourage recharging has generated dangerous situations. Drivers say that the feeling is that the car suddenly “anchors”, making it difficult to defend position and confusing those following behind in the slipstream.

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Batida of Bearman on Japão served as a security alert

Oliver Bearman’s heavy collision during Japão’s GP is cited by experts as the catalyst for the announced changes. On that occasion, the driver suffered from a sudden lack of electrical power on a high-speed section, which changed the dynamics of the approaching cars around him. The FIA’s concern is that extreme energy management turns the straights into constant danger zones.

The new technical adjustments aim to smooth this transition between battery use and recharge mode. The idea is to allow energy recovery to be more gradual and less dependent on dry power cuts. Assim, the cars are expected to maintain a more linear speed, avoiding the accordion effect that has generated complaints about the “artificial” nature of the disputes in 2026.

Próximos steps and expectations for Miami’s GP

The changes debuting in the Estados Unidos focus on calibrating the software that controls the energy flow. The federation intends to ensure that no car suffers such a sharp loss of speed without there being predictable signaling or behavior for opponents. The ultimate objective is to maintain the high volume of overtaking, which has actually increased this year, but without sacrificing the physical integrity of competitors or sporting fluidity.

The motorsport community awaits the first free practice sessions on Miami to validate whether the corrections will be sufficient. If the “Battery World Cup” continues to be the dominant theme, new interventions in the active aerodynamic part are not ruled out for the second half of the season. For now, the focus remains on fine-tuning how the MGU-K interacts with the combustion engine to prevent the Fórmula 1 from losing its essence of pure speed in favor of electrical efficiency.