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A proposed U.S. rule requiring automakers to double average fuel economy of vehicles to 54.5 miles per gallon by 2025 could cost $157 billion, though the costs would be offset by fuel savings, two federal agencies said in a draft, Bloomberg reported.

The U.S. State Department said it has delayed its decision on the proposed Keystone XL oil pipeline and will examine alternate routes that would avoid environmentally sensitive areas in Nebraska, the Associated Press reported.

The truck driver shortage and related fleet capacity constraints are driving strong growth in domestic intermodal hauling as carriers and shippers try to ensure they have freight-moving options in the months ahead, industry experts said.

Clean Energy Fuels Corp. announced it has partnered with Mid-Atlantic fleet fueling station operator Quarles Petroleum to add natural gas fueling services at several Quarles locations.

Oil fell from a three-and-a-half month high to below $98 a barrel early Monday on concerns over Italy’s debt and easing demand in China, Bloomberg reported

Love’s Travel Stops & Country Stores said it will add 10 compressed natural gas fueling stations at existing locations in Oklahoma.

U.S. retail diesel prices slipped 0.5 cent to $3.887 a gallon last week, the Department of Energy reported, halting a string of three weekly increases.

A California group representing businesses has filed a federal lawsuit challenging the federal government’s greenhouse emissions regulations for medium- and heavy-duty trucks.