Oregon Public Broadcasting


A new Portland City Club report has found that older, more polluting diesel trucks that don't meet environmental regulations in California and Washington are being used in Oregon instead.

The report, Invisible Enemies: Reducing Air Toxics In the Portland Airshed, ranks Portland's worst sources of toxic air pollutants and recommends ways to reduce them. Diesel trucks were among the top five, along with wood stoves, cars and light trucks, non-road vehicles such as construction equipment and industrial metals facilities.

A committee within City Club spent a year researching air pollution sources before writing the report. Peter Livingston chaired that committee. He says it's up to state lawmakers to put Oregon's diesel truck rules on par with other West Coast states.

"The next step is for someone in the Legislature to introduce a new bill and try to tighten up Oregon's standards so there's no incentive for truckers to use more polluting engines in Oregon than they use in California and Washington," said Livingston.

For cleaner air in Portland, the report also recommends stronger state enforcement of wood stove regulations, funding more diesel engine upgrades, and more testing for the less-studied pollutants known as air toxics.

This story originally appeared on Oregon Public Broadcasting.

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