今年秋天，美国环境保护局（US Environmental Protection Agency）制定了新电厂排放标准，传统煤电将无立足之地 — — 这是降低碳污染、刺激创新的重要一步。
And this fall, the US Environmental Protection Agency proposed emissions standards for new power plants that would rule out conventional coal power – an important step that would cut carbon pollution and drive innovation.