Table: Pollution at Selected Top Ports
Posted: 14-Jun-2004; Updated: 28-Dec-2006
Comparison of smog-forming pollution from commercial marine vessels in key ports with onroad vehicles (including passenger cars and trucks, urban buses and large diesel freight trucks)
Port | Number of Onroad Vehicles Discharging NOx Pollution Levels Comparable to Commercial Shipping |
| Houston-Galveston | 288,000 onroad vehicles |
| Los Angeles/South Coast | 442,000 onroad vehicles |
| Lower Mississippi | 585,000 onroad vehicles |
| New York/New Jersey Ports | 303,000 onroad vehicles |
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