Truckers and farmers are facing a supply crunch that is pushing prices higher.

US gas prices have rocketed higher during the on-again, off-again war with Iran.

U.S. diesel prices first surpassed $5 a gallon in March. Renewed fighting in the Persian Gulf and reduced refinery capacity ...

Renewed conflict in the Middle East has caused a swing in the diesel price expectation for August, as has been feared.

Ripping the emissions system out of a diesel truck used to be the kind of decision that ended with a federal indictment, not ...

CNBC's Pippa Stevens joins 'Closing Bell Overtime' to talk Diesel prices climbing again.

Russia has fully banned exports of diesel after Ukrainian drone strikes on its refineries triggered widespread fuel shortages ...

Europe’s diesel inventories are expected to fall to their lowest seasonal level in at least a decade as refinery bottlenecks, ...

Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. This voice experience is generated by AI. Learn more. This voice ...

If you're new to being a diesel-vehicle owner, there's some important tips you need to know, including what type of coolant ...

Diesel engines have the reputation for being high-torque workhorses, built for rough roads and heavy loads. These engines are ...