After several wild weeks of movement in diesel prices, at times rising far faster than any movement in crude prices would justify, the benchmark price used for most fuel surcharges fell after four weeks of increases. The Department of Energy/Energy Information Administration average weekly retail diesel price declined 3.7 cents/gallon to $3.831/g. The one-week decline comes after a four-week stretch in which the price rose 24.8 cts/g to $3.868/g. The DOE/EIA price was effective Monday and posted Tuesday. ...