South Korean researchers, in partnership with Hyundai and Kia, have made significant strides in green energy solutions by developing a two-litre ammonia-fuelled engine. The Korea Institute of Machinery and Materials (KIMM) spearheaded this project, emphasizing direct injection technology to mitigate challenges associated with gaseous ammonia fuel. Through collaboration with Hyundai and Kia's Electrification Engineering Center, improvements in the engine's ignition system, fuel injection timing, and the creation of an after-treatment system have led to a substantial enhancement in thermal efficiency and power output. Dr. Cheolwoong Park, a principal researcher at KIMM, expressed optimism in the engine technology, positioning it as a breakthrough in addressing hydrogen transportation challenges and green hydrogen production. Ammonia's significance lies in its potential as a transport medium for hydrogen due to its higher energy density and existing infrastructure capabilities. Despite possible emissions concerns, the development of this ammonia-fuelled engine presents a promising solution for cleaner energy alternatives. Moreover, the collaboration's success signifies a significant step towards establishing ammonia as a viable clean fuel-based power solution. Ammonia's role in addressing the limitations of traditional hydrogen transportation methods is underscored by its energy efficiency and transport-friendly properties. This research not only showcases technological innovation but also highlights the potential for ammonia to reshape the landscape of sustainable energy solutions in the future.