Turbocharging hydrogen-fueled internal combustion engine

Southwest Research Institute (SwRI) has upgraded its hydrogen-powered heavy-duty internal combustion engine (H2-ICE) with a state-of-the-art turbocharger. The upgrades have significantly improved performance across the board, making the engine competitive with current long-haul diesel engines focused on fuel economy while maintaining near-zero tailpipe emissions.

Source: https://techxplore.com/news/2025-11-turbocharging-hydrogen-fueled-internal-combustion.html