According to the U.S. Energy Information Administration, transportation accounted for approximately _______% of total U.S. greenhouse gas emissions in 2007.
A)20
B)30
C)40
D)50

Question

Quizplus · Accepted Answer

According to the U.S. Energy Information Administration, transportation accounted for approximately 30% of total U.S. greenhouse gas emissions in 2007. Buildings generate much of the demand for transportation and they can be an important part of efforts to reduce the social, economic, and environmental impacts of transportation.