因为这个过程是热驱动而不是电力，通过使用能量转化率高的热源，可以大大减少温室气体排放。
Since the process is driven by heat rather than electricity, it could reduce greenhouse-gas emissions even further by using energy-efficient sources of heat.
在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。
There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.
这个机会就是废弃物发电技术，其过程就是从废弃物中收集气体然后把气体转化成燃料。
The opportunity is waste-to-energy, a process for capturing gases from waste and converting them to fuel.
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