1. Let us increase the use of renewable power and emissions-free nuclear power. 让我们增加可再生动力和无排放核动力的使用。
2. He and some of his grad students wanted to use nitrous oxide as an emissions-free energy source. 他和他班上一些大学生想利用氧化氮作为无排放的动力能源。
3. Better still would be electricity from a new generation of emissions-free solar photovoltaic panels. 新一代的零排放太阳能光伏电板技术，也使用电的好处更加不言而喻。
4. More support for nuclear power (nearly emissions-free, but controversial) could bring back a few centrist Republicans. 维尔萨克一直忙着推销气候法案，像是一种大幅增加农民收入的方法，因为农场主可以通过减少自身的温室气体排放而从污染工业那里赚取“抵消”）更多支持核能（几乎零排放，但是富有争议）可以挽回几个中立派的共和党人。
5. Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest. 尽管奥巴马的二氧化碳减排计划是必要的，但这远不是免费的，无论他在这个问题上发表的充满希望的演讲可能会暗示什么。
