The Tennessee senator also wants more exploration for offshore oil and natural gas, and more conservation and efficiency in electricity use.

VOA: standard.2009.04.25

to put in place policies that incentivizes people to use things such as energy efficiency

他们制定了一些政策，鼓励人们使用能效高的产品，

全球变暖与国力 - SpeakingMax英语口语达人