It’s been almost a year since the benchmark diesel price used for most fuel surcharges fell as much as it did in its most recent posting Tuesday. The Department of Energy/Energy Information Administration average weekly retail diesel price fell 7.3 cents/gallon to $3.758/g. It was the largest one-week decline since December 9, when it slid 8.2 cts/ to$3.458b/g. The latest price was announced Tuesday but was effective Monday. With last week’s decline, which came after four weeks of increases, the DOE/EIA ...