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The U.S. Court of Appeals for the District of Columbia has lifted a stay of a Truck Trailer Manufacturers Association lawsuit seeking to block a Phase 2 greenhouse gas-emissions rule provision that would for the first time regulate trailers.

The average fleetwide fuel economy of trucks that participated in the North American Council for Freight Efficiency’s annual study increased 15% from 6.27 miles per gallon in 2009 to 7.27 mpg in 2018.

Oil’s rally faded as the U.S. said Iranian airstrikes on military bases in Iraq didn’t cause any casualties, reinforcing speculation that Tehran is opting for limited retaliation over the killing of a top general.

Gas stations around the United States are rushing to upgrade fuel pumps to accept credit and debit cards with chips after Visa Inc. and Mastercard Inc. rejected a request to delay a looming deadline to complete the work.

Daimler AG was sued by more than 200 shareholders for as much as $1 billion over claims the parent of Mercedes-Benz luxury cars failed to properly disclose that its vehicles were fitted with technology to cheat on diesel emissions tests.

The U.S. average retail price of diesel rose 1 cent to $3.079 a gallon, the Department of Energy reported Jan. 6.

MARSHALL, Va. — Federal environmental regulators on Jan. 6 announced a call for public input to assist with the development of new guidance for emissions standards targeting commercial vehicles.

PROVIDENCE, R.I. — The global benchmark for crude oil rose above $70 a barrel Jan. 6 for the first time in more than three months, with jitters rising over the escalating military tensions between Iran and the United States.

Ships visiting Southern California’s bustling ports are poised to become the region’s largest source of smog-causing pollutants in coming years, one reason state regulators want to reduce emissions from thousands more of them.