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Diesel fuel’s national average retail price fell 2.2 cents to $3.733 a gallon, the 14th straight week without an increase and 25th drop in the past 30 weeks, the Department of Energy reported.

Ten large trucking fleets reduced their annual fuel costs by $7,200 per truck by instituting an array of technologies and practices to increase efficiency, according to an annual industry survey.

An 80% jump in orders for refrigerated trailer units helped fuel a 36.7% gain in industrywide orders in July from the same month a year earlier, ACT Research reported.

Michigan state senators are still attempting to hammer out a transportation funding plan that would replace the state’s per-gallon tax on diesel and gasoline with a wholesale sales tax on fuel.

The price of U.S. retail diesel rose by 0.4 cent to $3.975 a gallon, the second consecutive weekly increase after a five-week decline, the Department of Energy reported.

Federal regulators should develop a separate standard for natural gas-powered vehicles when they finalize the second phase of the government’s emissions reduction and fuel-efficiency standards for medium- and heavy-duty trucks, according to a new report by the National Research Council of the National Academy of Sciences.

By now, you’re well aware of President Obama’s announcement that he will direct the Environmental Protection Agency and the Department of Transportation to set the next — i.e., the post-2018 — round of medium- and heavy-truck fuel economy and emissions standards.

Connecticut truckers implored the state’s General Assembly to order the Department of Transportation to investigate side effects from the use of magnesium chloride to melt snow and ice on roads and to seek alternative treatments.

Reaction to President Obama’s call for tighter carbon dioxide emissions rules for trucks poured in quickly with the first wave of comment generally offering approval, although there were also calls for caution, including from American Trucking Associations.