The race to scale up green hydrogen
扩大绿色氢燃料规模的竞赛

Long heralded as an alternative to fossil fuels, can the gas really help solve the world’s dirtiest energy problems?
长期以来，天然气被誉为化石燃料的替代品，它真的能帮助解决世界上最肮脏的能源问题吗？