NOx Emissions from Ships a Major Source of Air Pollution on the California Coast

The California coastline is one of the most beautiful in the world. But instead of clean, fresh sea air, the cities and towns along the coast suffer from serious air pollution created by nitrogen oxides (NOx) emissions. Large ocean-going ships are one of the last unregulated sources of air pollution and, according to Santa Barbara County Air Pollution Control District (APCD) 2001 Clean Air Plan, are responsible for nearly 45 percent of the NOx emissions emitted along the coast--more than all road vehicles combined. By 2015, the Plan projects that NOx emissions from ships will be almost five times greater than those from on-road motor vehicles, and comprise more than 60 percent of the total NOx emissions inventory.



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