GHG Emissions from roads

The United States of America is the top country by GHG emissions from roads in the world. As of 2008, GHG emissions from roads in the United States of America was 1,536.7 metric tons that accounts for 49.99% of the world's GHG emissions from roads. The top 5 countries (others are Japan, Germany, Canada, and France) account for 69.92% of it. The world's total GHG emissions from roads was estimated at 3,074 metric tons in 2008.