Daily coal output in China has hit a historic high, with efforts to boost energy supply paying off.

中国的煤炭日产量创下历史新高，提高能源供应的努力取得了成效。

Montana, where I live, is home to the Powder River Basin, a geographical location responsible for 40% of America's coal output.

我居住的蒙大拿州是 Powder River Basin 的所在地，这个地理位置占美国煤炭产量的 40%。