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Diesel prices fell by an average of 5.9 cents a gallon in the past week to flirt with the $4 a gallon mark, settling at $4.018 a gallon, according to  the Energy Information Administration.

To improve real-time decisions in the commercial transportation sector, a new government watchdog report recommended the U.S. Department of Transportation update its freight guidance.

Florida and South Korean officials signed a pact to create a hydrogen research hub, set to break ground next month in Polk County.

U.S. factory activity contracted for a sixth-straight month in April, the longest such stretch since 2009 and a sign of lingering malaise in manufacturing.

The California Air Resources Board approved its Advanced Clean Fleets regulation that will require some motor carriers to begin the transition to zero-emission trucks as soon as next year.

DES MOINES, Iowa — Fuel stations throughout the U.S. will be able to sell gasoline blended with 15% ethanol in the summer under a waiver issued April 28 by the Environmental Protection Agency.

Toyota is to begin offering Class 8 commercial truck manufacturers and operators a hydrogen-fueled powertrain in California later this year.

OMAHA, Neb. — Federal regulators are warning railroads that the long trains they favor can cause all kinds of problems and contribute to derailments.

WASHINGTON — A key index of underlying inflation that is closely followed by the Federal Reserve remained elevated in March, keeping the Fed on track to raise interest rates in May.

Arkansas has a new law addressing towing and storing electric vehicles after they have been in accidents.