Hydrogen-burning internal combustion engines are being hailed as a promising solution in the battle against climate change due to their power without carbon emissions. However, these engines are not entirely clean as they emit nitrogen oxides during combustion, leading to harmful environmental impacts. Researchers at UC Riverside have developed a groundbreaking method to address this issue by enhancing catalytic converter efficiency using Y zeolites. By infusing platinum with Y zeolites, the researchers significantly improved the conversion of nitrogen oxides into harmless substances like nitrogen gas and water vapor. This method has shown a substantial increase in effectiveness, particularly at lower temperatures, which is critical during engine start-up. The technology is not limited to hydrogen engines but can also reduce pollution from diesel engines equipped with hydrogen injection systems. The simplicity of the process, which involves mixing platinum with Y zeolites, makes it a cost-effective and scalable solution for nitrogen oxide emission control. Collaborations with industry partners like BASF and scientific institutions have paved the way for the potential commercialization of this innovative pollution reduction technology.