The first demand was easily met: the leaders of the House of Representatives and the Senate instructed their staff to convert the plant to run on natural gas, which burns more cleanly than coal.

• 第一个要求很容易就得到了满足：众议院和参议院的领导们指示他们的部下将发电机换成使用天然气的，这比用煤要清洁许多。