气候变化是各国共同面临的问题,中美两国都在积极采取行动减少温室气体排放,遏制气候变化。有效的温室气体减排政策必须能够有效减少交通领域和工业来源中的温室气体排放,并显著提高能源使用的效率。在美国,上述三个领域被比喻为一条板凳的三条腿,缺一不可。在中国,虽然燃煤仍然是全国碳排放的主要来源,但是有 Climate change is a common problem facing all countries. Both China and the United States are taking active actions to reduce their greenhouse gas emissions and curb climate change. Effective greenhouse gas (GHG) mitigation policies must effectively reduce greenhouse gas emissions in the transport sector and in industrial sources and significantly increase the efficiency of energy use. In the United States, the above three areas are compared to the three legs of a bench, indispensable. In China, coal is still the main source of carbon emissions in the country, but there is