The national average price of diesel slid 8.3 cents to $4.539 a gallon, according to Energy Information Administration data released Feb. 6.

The national average price of diesel continued its downward trajectory, falling 21.3 cents to $4.754 a gallon, according to Energy Information Administration data released Dec. 12.

Unprecedented diesel prices mean that demand destruction for the fuel is probable, the International Energy Agency said.

Oil tankers hauling fuels such as gasoline and diesel are poised for their biggest demand surge in three decades next year, with disruption to Russian oil flows boosting the distances vessels will have to sail.

The U.S. and Europe are struggling to make enough diesel to heat homes, a situation that looks set to become even more acute as winter approaches.

Diesel supplies are so tight heading into winter that profits for producing the heating and trucking fuel are nearing a record high.

The national average price for diesel fell another 5.3 cents Oct. 3 to reach $4.836 a gallon, according to the Energy Information Administration.

Saying they had a “moral obligation,” California regulators could soon ban the sale of diesel big rigs by 2040.

Officials within President Joe Biden’s administration are hunting for ways to head off a feared spike in oil prices later this year, including the possibility of an additional release from the nation’s emergency crude reserves.

Diesel demand in California is soaring as the risk of blackouts in the state spurs big power users to load up on fuel for generators.