![Mathilde Carlier](https://cdn.statcdn.com/static/../CMS/contactperson/ERI2785_1713774293.png)
Average carbon dioxide emissions in leading car markets 2010 & 2017
Cars on American roads had an average carbon dioxide emission rate of 198 grams per kilometer in 2017. The United States has seen a lower reduction rate of vehicle emissions than other markets. Road transport is among the major sources of anthropogenic carbon dioxide that is causing global sea surface temperature rise.