diesel vehicles

Diesel regulation in Oregon

How Oregon fell behind in regulating diesel (Oregonian, 11/19/2022)

Thumbnail of cover from the document Oregon nonroad diesel equipment survey and emissions inventory : final report.Oregon nonroad diesel equipment survey and emissions inventory : final report (2020) Oregon Department of Environmental Quality

Thumbnail of cover from the document Medium- and heavy-duty diesel engine retrofit : requirements for older diesel engines and frequently asked questions about compliance.Medium- and heavy-duty diesel engine retrofit : requirements for older diesel engines and frequently asked questions about compliance (2021) Oregon Department of Environmental Quality

Thumbnail of cover from the document Oregon clean diesel initiative: burn cleaner fuel, burn fuel cleaner.Oregon clean diesel initiative: burn cleaner fuel, burn fuel cleaner (2012) Oregon Department of Environmental Quality