Delaware Diesel prices, liter

We show diesel price data for Delaware from 02-Feb-2026 to 11-May-2026. The average diesel price during that period is 1.30 per liter with a minimum of 1.01 on 02-Feb-2026 and a maximum of 1.52 on 13-Apr-2026. Our data are obtained from official government sources, regulatory agencies, petroleum companies, and major media sources. We update the series for Delaware every week.