The tariff proposal – contained in the central piece of global warming legislation now before Congress – would impose emission controls on domestic industries starting in 2012. It would also levy punitive tariffs on greenhouse-gas-intensive products imported from countries that lack “comparable action” to that of the US, starting in 2020.
这一关税提议是国会正在考虑的一项全球变暖法案的中心部分，它将从2012年开始对国内行业实施排放控制。对于从缺乏类似美国的“类似行动”的国家进口的高温室气体密度的产品还将征收惩罚性关税。各行业的游说者以及工会正在加紧让这些制裁早日生效。