An aerial drone photo taken on July 6, 2025 shows a green hydrogen and ammonia project in Chifeng, north China's Inner Mongolia Autonomous Region. (Xinhua)China’s first large-scale natural gas hydrogen blending application project at the 100,000-household level has officially launched in Weifang, East China’s Shandong Province, on Sunday.The hydrogen blending project covers 100,000 urban households...