johns hopkins

Credit to Author: Guest Contributor| Date: Fri, 11 Nov 2022 11:10:19 +0000

The Environmental Protection Agency estimates that the transportation sector accounts for approximately 27% of all greenhouse gas emissions annually in the United States, and emissions from road transportation — driven by carbon-creating internal combustion vehicles — account for a large majority of that. For years, researchers have tried to measure these emissions more closely, but […]