The majority of diesel exhaust in the Puget Sound region comes from four transportation sectors:
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Diesel exhaust represents 78% of the potential cancer risk from all air toxics in the Puget Sound area. It is also linked to respiratory and cardiovascular problems and premature death. Children, the elderly, pregnant women, and those with compromised immune systems or illnesses are especially vulnerable. Recent studies show people living near ports and roadways have higher exposures and health risk.
A combination of regulatory and voluntary measures are underway to reduce diesel emissions from the transportation sectors. This includes our Diesel Solutions program, and working with regional, national and international partners.