Fuel-efficiency standards for automobiles were legislated, and car producers implemented them. In a more fragmented fashion, states established incentives for energy efficiency in residential and commercial buildings.
就政策而言，20世纪70年代末不可不谓有为。汽车节能标准出台，并由汽车制造商开始实施。各州也行动起来，各自制定了住房和商业地产的节能激励措施。