Extreme H is enabling manufacturers to integrate their own hydrogen fuel cells into the Pioneer 25 racing car, marking a significant shift from the series' previous single-make format. This change aims to attract manufacturer interest while maintaining cost control.

Technical director Mark Grain explains that manufacturers can showcase their existing fuel cell technology in a race environment without requiring race-specific development. This "road-to-race-to-road" approach allows companies to demonstrate their production technology while working within FIA-regulated frameworks.

Cost containment remains a priority, with manufacturers using existing inventory components rather than developing entirely new systems. While some redesign and engineering work will be necessary, the investment required is relatively modest compared to traditional motorsport development programs.

The series will implement controls similar to Formula 1's fuel flow limits, regulating the energy output from fuel cells to ensure competitive racing. This approach allows manufacturers to demonstrate their technology's durability and performance while maintaining a level playing field.

Several leading hydrogen fuel cell manufacturers have already expressed interest in the series, with multiple conversations taking place, including new discussions over the Christmas period. This early interest suggests strong momentum for the innovative racing format.

The regulatory framework, developed in collaboration with the FIA, aims to balance technological innovation with competitive racing while keeping costs under control. This approach allows manufacturers to showcase their hydrogen fuel cell technology in challenging racing conditions while maintaining the series' accessibility and sustainability goals.

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