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The national average price of diesel dropped 5.9 cents to $4.537 in its seventh straight decline, according to Energy Information Administration data on Dec. 26.

Colorado, North and South Dakota, Utah and Wyoming have declared temporary emergency exemptions of federal driving hours for deliveries of heating fuel.

TC Energy Corp. pushed back the full return of its Keystone oil pipeline by a week after a 14,000-barrel oil spill shut the critical conduit, according to people familiar with the matter.

Clean Energy Fuels Corp. announced the opening of a renewable natural gas fueling station that will provide an anticipated 1.4 million gallons of the clean fuel annually for Amazon .com Inc. and other truck fleets in the greater Chicago area.

The national average price for diesel fuel continued to tumble, falling 15.8 cents to settle at $4.596 a gallon, according to Energy Information Administration data released Dec. 19.

Mack Trucks announced the city of Cambridge, Mass., has ordered two Mack LR Electric models to help move toward its goal of having a fully electric fleet. The Mack LR electric vehicles will be the first Class 8 electric trucks in the refuse collection fleet in the city across the Charles River from Boston.

The operator of a pipeline with the largest onshore crude oil spill in nine years has reopened all of it except for the stretch in Kansas and northern Oklahoma that includes the site of the rupture.

As the nation began easing its way out of the COVID-19 pandemic in 2022, activity on closely watched initiatives related to the trucking workforce heated up, while efforts to advance new laws for trucking fleets kept stakeholders engaged.

The North American Council for Freight Efficiency said fuel efficiency in Class 8 trucks participating in its annual fleet study from 2018 to 2020 remained flat at 7.24 mpg after seven previous years of 2% annual increases.