This source contradicts yours https://www.bts.gov/content/estimated-national-average-vehicle-emissions-rates-vehicle-vehicle-type-using-gasoline-and https://ww

This source contradicts yours https://www.bts.gov/content/estimated-national-average-vehicle-emissions-rates-vehicle-vehicle-type-using-gasoline-and https://www.bts.gov/content/estimated-national-average-vehic...