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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.

Uber Freight estimated that the trucking industry could be driving close to double the number of empty miles than initially estimated. The company released its findings in a report June 28.

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Some of the largest oil producers in Canada are objecting to potentially rising costs and fees to ship their crude on the expanded Trans Mountain pipeline.

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.

China’s Guangzhou Automobile Group Co. said it has developed the world’s first car engine that runs on ammonia, adding to new energy solutions that reduce carbon emissions.

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.