Komatsu Ltd, a leading construction and mining equipment manufacturer, is making significant strides in exploring hydrogen as a power source by equipping its flagship dump truck, the HD785, with a hydrogen combustion engine. Conducting groundbreaking tests at its Ibaraki Plant in Hitachinaka City, Ibaraki Prefecture, Komatsu aims to gather valuable insights on utilizing hydrogen engines for large vehicles. The company's collaboration with German start-up KEYOU GmbH has resulted in a hydrogen tank system mounted on the truck to maximize storage capacity. Key focus areas of testing include driving performance, fuel efficiency, and ensuring safety in handling high-pressure hydrogen gas. Komatsu highlights the advantages of hydrogen combustion engines in terms of cost-effectiveness and zero CO2 emissions, making them attractive for customers striving for carbon neutrality. Despite challenges like safety management and hydrogen supply infrastructure, Komatsu is committed to addressing these issues through industry partnerships. The company's ambitious sustainability goals include significant CO2 emissions reduction by 2030 and achieving carbon neutrality by 2050. Komatsu has introduced various environmentally friendly technologies to the market, signaling its commitment to innovation and sustainability in the construction and mining sectors.