Frequent Questions

Where can I learn about auto emissions and how they may affect the atmosphere?

According to EPA’s Office of Climate Change, "In 2014, greenhouse gas emissions from transportation accounted for about 26 percent of total U.S. greenhouse gas emissions, making it the second largest contributor of U.S. greenhouse gas emissions after the Electricity sector.” 

You can read more about transportation, greenhouse gases, and climate issues.

For information on reducing greenhouse gas emissions while on the road, visit Climate Change's What You Can Do: On the Road.

For information about ozone and automobile emissions, please see: 

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