Alpine has developed a hydrogen-fueled V-6 engine that may end up powering a race car running in the 24 Hours of Le Mans.
The concept features a hydrogen V-6 engine developed by F1 engineerstwin-turbocharged 3.5-liter V-6debuted in 2022 and was originally developed to preview a new design language as well as gauge interest for a potential supercar to join Alpine's lineup. It was followed earlier this year by thewhich used a 2.0-liter turbo-4 running on hydrogen, but only made about half the power of the new V-6 version.
The V-6 engine was developed by engineers at Alpine parent Renault's Viry-Châtillon motorsports skunkworks, who normally prepare the Renault power units that Alpine uses for its Formula 1 team. Renault is giving up on F1 power unit development at the end of 2025, but the Viry-Châtillon skunkworks will be retained as a hub for high-performance EV development, Renault said earlier this month.
The hydrogen to power the engine is stored in three tanks, and is stored in a gaseous form. The tanks are located in the sidepods and behind the cabin and. A pressure regulator reduces the pressure down to 2,900 psi before dropping it further to the pressure required for direct injection into the combustion chambers.
While Alpine describes the Alpenglow concepts as serving as rolling laboratories, some of the concepts' styling and technology may influence the Alpine supercar being developed by the same Viry-Châtillon engineers. The production-bound supercar will be an electric vehicle, but Alpine may still use the hydrogen engine in the world of motorsports.
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