Benjamin K. Sovacool has argued that "some of the most surreptitious, yet powerful, impediments facing renewable energy and energy efficiency in the United States are more about culture and institutions than engineering and science".
Benjamin K. Sovacool（英语：Benjamin K. Sovacool）的認為，“在美國的可再生能源和提高能源效率所面臨的一些最秘密的而強大的障礙，更多的是来自于文化和制度，而不是来自于工程和科學”。