Before revision: Environmental Protection Agency estimates of average passenger car emissions in the United States for April 2000 Component Emission Rate Annual pollution emitted Hydrocarbons 2.80 grams/mile (1.75 g/km) Carbon monoxide 20.9 grams/mile (13.06 g/km) NOx 1.39 grams/mile (0.87 g/km) Carbon dioxide - greenhouse gas 415 grams/mile (258 g/km) Comparable with the European emission standards EURO III as it was applied on October 2000 In 2000, the United States Environmental Protection Agency began to implement more stringent emissions standards for light duty vehicles.
After revision: Envirinmental Protection Agency estimates of average passenger car emissions in the United States for April 2000 Component Emission Rate Annual pollution emitted Hydrocarbons 2.80 grams/mile (1.75 g/km) Carbon monoxide 20.9 grams/mile (13.06 g/km) NOx 1.39 grams/mile (0.87 g/km) Carbon dioxide - greenhouse gas 415 grams/mile (258 g/km) Comparable with the European emission standards EURO III as it was applied on October 2000 In 2000, the United States Environmental Protection Agency began to implement more stringent emissions standards for light duty vehicles.