Portland Diesel prices, liter

We show diesel price data for Portland from 01-Sep-2025 to 08-Dec-2025. The average diesel price during that period is 1.17 per liter with a minimum of 1.13 on 08-Dec-2025 and a maximum of 1.18 on 08-Sep-2025. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Portland every week.