Toyota brings hydrogen closer to the 24 Hours of Le Mans every day
- Published on 15/11/2025 11:08
Toyota accelerates development of its liquid-hydrogen engines with Le Mans in its sights.
Toyota continues exploring alternative powertrains by taking advantage of the demanding setting of the Japanese Super Taikyu championship. On the occasion of the 2025 season finale, held this weekend, the brand is once again entering its GR Corolla H2, a prototype running on liquid hydrogen. This participation is part of Toyota’s “multi-pathways” strategy, which aims to offer multiple technological routes to carbon neutrality, without limiting itself to all-electric solutions.
The GR Corolla H2 currently represents the most ambitious axis of the program: an internal combustion engine fed with liquid hydrogen, an approach rare in the automotive industry. Already entered in the 24 Hours of Fuji at the end of May, the car showed notable progress, notably thanks to a new refueling system, weight reduction and finer combustion management. Above all, Toyota completed the entire race without replacing the pump that feeds the engine, a key step in validating this technology.
More power, more problems
But the gradual increase in power places greater strain on this pressurization system. For the Super Taikyu finale, the objective is clear: to maintain full-load operation for the entire duration of the event. Toyota will carry out multiple tests to validate the pump’s durability and overpressure capacity, which are essential to the prototype’s reliability.
At the same time, the manufacturer is advancing on another promising front: superconductivity. Integrating a superconducting motor directly into the tank could free up enough space to increase storage capacity by more than 30%, while reducing weight, lowering the center of gravity and limiting thermal losses — all elements crucial for endurance performance.
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Beyond the Super Taikyu results, these successive experiments push Toyota a little closer each day to an internally stated goal: eventually entering a hydrogen Hypercar at the 24 Hours of Le Mans. An ambition that already positions the manufacturer as one of the most determined players in the competitive future of hydrogen.
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This page is translated from the original post "Toyota rapproche chaque jour l’hydrogène des 24 Heures du Mans" in French.
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