China has recently achieved a milestone in space technology with the successful long-range test of a three-stage hydrogen-oxygen engine designed for a new rocket capable of carrying astronauts to the moon. The test, conducted at a specialized testing stand constructed by China Aerospace Science and Technology Corporation, verified the engine's reliability and will support China's manned lunar exploration program. On the sustainable transportation front, CRRC Changchun Railway Vehicles in China has been at the forefront of innovation. The company developed a hydrogen-powered train that boasts impressive energy efficiency and eco-friendly features. This hybrid train, using hydrogen fuel cells and energy storage batteries, can travel 1,000 kilometers emitting only water. It significantly reduces CO2 emissions over its life-cycle, making it a sustainable option for rail transit. Additionally, CRRC Changchun Railway Vehicles introduced 'Fuxing', China's new generation high-speed train with advanced features like automatic operation at high speeds and enhanced passenger comfort. The train maker's relentless focus on sustainability and technological advancement positions it as a leader in the global rail transit industry.