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Diesel prices slipped 1.4 cents a gallon after a one-week interruption to settle at a national average of $3.801, according to Energy Information Administration data released June 26.

Maine Gov. Janet Mills has signed a two-year, $829 million highway budget law creating a reliable revenue stream to fund highway repairs using portions of state motor vehicle taxes.

Construction started on a project with Missouri to replace the aging Chain of Rocks Bridge over the Mississippi River on I-270 with twin bridges to help improve freight transportation.

Companies including PepsiCo Inc. and Nike Inc. are calling for the European Union to implement stricter emissions targets for trucks, which the firms say will lower costs in the long run.

Startup Nth Cycle is opening its first full-scale plant in Fairfield, Ohio, to produce a mix of nickel and cobalt — key ingredients of the lithium-ion batteries that power electric vehicles.

COLUMBUS, Ohio — Evan Burroughs has spent eight years touting the virtues of an Oregon pilot program charging motorists by the distance their vehicle travels rather than the gas it guzzles.

WASHINGTON — The U.S. Department of Transportation is awarding almost $1.7 billion in grants for buying zero- and low-emission buses, with the money going to transit projects in 46 states and territories.

Freight railcar inspections are happening less often and are not as thorough as in the past due to staff cuts, time constraints and regulatory loopholes, a union official testified June 23.

PHILADELPHIA — Interstate 95 reopened June 23 less than two weeks after a deadly collapse in Philadelphia, a quicker-than-expected rebuild to get traffic flowing again on a major highway.