Greenhouse gas emissions from transportation by source - U.S. 1990-2013

The statistic represents the sources of greenhouse gas emissions in the U.S. transportation sector between 1990 and 2013. In the United States, medium and heavy-duty trucks accounted for some 23 percent of transportation greenhouse gas emissions.

本统计数据描绘了1990年至2013年美国交通领域温室气体排放的来源。在美国，中型与重型卡车占据了交通领域温室气体排放的约23%。