The U.S. average retail price of diesel rose 2 cents to $3.236 a gallon, while the price of a barrel of oil climbed amid a tightening of inventory.

The U.S. average retail price of diesel fuel rose 2.4 cents to $3.157 a gallon, the sixth straight week that the trucking industry’s main fuel has increased in price, according to the weekly report from the U.S. Department of Energy’s Energy Information Administration.

The U.S. average retail price of diesel jumped 6.1 cents — the largest single increase of the year — to $3.104 a gallon as oil climbed past $68 a barrel amid signs the supply glut is fading.

The U.S. average retail price of diesel fell 2.3 cents to $3.063 a gallon while oil dipped below $60 a barrel in the face of market concerns over increasing domestic production.

The U.S. average retail price of diesel popped 4.5 cents to $3.070 as oil increased to more than $65 a barrel.

The U.S. average retail price of diesel rose 3.2 cents to $3.028, its highest price in three years.

The U.S. average retail price of diesel jumped 7 cents to $2.973, amid bitter cold wind chills across much of the country that boosted demand for distillate fuel, which includes heating oil and ultra-low-sulfur diesel.

The U.S. average retail price of diesel inched up 0.2 cent to $2.903, as oil climbed over $59 a barrel to the highest level since June 2015 amid forecasts of tighter supplies.

The U.S. average retail price of diesel dipped 0.4 cent to $2.922 a gallon as oil prices also slipped as domestic and foreign producers squared off over how to manage production.

The U.S. average retail price of diesel fuel increased 1 cent to $2.797 a gallon, the Department of Energy reported Oct. 23.