F1's ambitious 2026 engine formula, designed to attract new manufacturers with a 50/50 electric-internal combustion split, has instead sparked controversy and criticism. The plan, approved in August 2022, aimed to simplify power units and eliminate the complex MGU-H component. Audi committed to both engine development and team ownership, while Honda reversed its withdrawal and Ford partnered with Red Bull.

However, the execution has proven problematic. The formula's complexity has increased rather than decreased, with energy management now dominating races. Drivers like Carlos Sainz have criticized the reliance on active aerodynamics and other 'sticking-plaster' solutions that add complexity instead of reducing it. Renault has already exited, and Honda reportedly regrets its Aston Martin collaboration.

The situation echoes F1's 1961 engine downsizing debacle, when the 2.5-liter formula was replaced with 1.5-liter engines. Back then, Autosport founder Gregor Grant famously criticized the decision as producing 'lorry' rather than racing cars. While grand prix racing survived that controversy, today's economic realities make the stakes higher, with F1's growth projections driving US manufacturer involvement.