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The U.S. diesel average price rose 1.7 cents to $2.96 a gallon last week, the second straight week it has inched upward, the Department of Energy reported.

Federal regulators for the first time in more than 30 years are proposing a redesign of the fuel economy label that consumers see on the window of new passenger vehicles and light trucks.

The California Air Resources Board staff is recommending an extension of the compliance deadlines for the state’s emission-reduction rule for 2003 transport refrigeration units.

The National Highway Traffic Safety Administration and the U.S. Environmental Protection Agency on Aug. 13 sent their proposed standards for heavy- and medium-duty trucks to the White House for review by the Office of Management and Budget.

In the face of record-setting petroleum stockpiles, the U.S. retail diesel price average dipped 1.2 cents to $2.979 a gallon, the Department of Energy reported.

A truck replacement program designed to cut diesel emissions has been included as part of a legal settlement between the South Carolina State Ports Authority and an environmental group over expansion at the Port of Charleston.

New legislation aimed at giving ports more authority to set environmental regulations is expanding the battle over the Port of Los Angeles’ controversial employees-only clean trucks plan from the courts to Congress.

The Pipeline and Hazardous Materials Safety Administration has proposed a rule that would eliminate requirements for special permits to haul some hazmats, ranging from liquefied petroleum gas to anhydrous ammonia fertilizers.

Oil prices fell near $77 Wednesday after a report showed that crude supplies jumped last week, the Associated Press reported.