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An 18-state coalition is backing the EPA in a legal action supporting California’s future strict emissions controls on medium- and heavy-duty trucks.

Agriculture Secretary Tom Vilsack announced that up to $500 million in federal funds are available to boost supplies of American-made biofuel.

Legislation that would reauthorize the Diesel Emissions Reduction Act through fiscal 2029 was recently introduced in the U.S. Senate.

A key U.S. automotive industry organization says it will set performance standards for Tesla’s electric vehicle charging cords in another move toward using the Tesla plug on all EVs.

Commercial electric vehicle startup Lordstown Motors Corp. has filed for Chapter 11 bankruptcy protection nearly two months after it warned that it was in danger of failing.

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.

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 — ATA President Chris Spear said trucking supports clean air initiatives but warned against efforts to compel businesses to use emerging vehicle technology before it's ready.

Iowa Gov. Kim Reynolds and others said the Environmental Protection Agency's final rule establishing biofuel volumes in its Renewable Fuel Standard program fail to reflect reality.

Navistar’s International SuperTruck II reached a fuel efficiency of 16 miles per gallon and a 170% improvement in freight efficiency compared with a 2009 baseline, the company said June 20.