May 30, 2019 - Energy & Environment
Why cutting carbon emissions from transportation is so difficult
New data from the Energy Department in its latest "Transportation Fact of the Week" series helps underscore one reason why cutting carbon emissions from transportation is a tough nut to crack.
The big picture: The number of cars on the road and vehicle miles traveled have mushroomed compared to population size over the decades.
The bottom line: Carbon emissions from transportation are now the nation's largest source.
Go deeper: Analysis shows U.S. energy carbon emissions spiked in 2018