The benchmark price used for most fuel surcharges fell the most in a week in more than three years. The Department of Energy/Energy Information Administration average weekly retail diesel price declined 20.5 cents/gallon to $5.403/g. It's the largest slide since a more than 22-cent decline December 22, 2022. It's the second straight week the benchmark price fell after 12 straight weeks of increases. After a collapse of 66.6 cents/gallon on April 8 following the announcement of a ceasefire in the Iran war, w ...