The U.S. average retail price of diesel slipped 1.2 cents to $2.910 a gallon as oil prices closed in on $58 a barrel — but then forecasts for U.S. oil production pointed to record volumes next year, causing oil prices to ease some.

The U.S. average retail price of diesel vaulted 15.3 cents to $2.758 a gallon — its largest jump in 6½ years — as demand spiked while refineries in the Houston area reported difficulty restarting operations after the stubborn flood left by Hurricane Harvey.

The U.S. average retail price of diesel jumped 5 cents to $2.581 in the sixth consecutive increase for trucking's main fuel.

Diesel’s pump price increase slowed as the fuel’s national average rose 0.8 cent to $2.944 a gallon, while gasoline’s increase also decelerated, the Department of Energy reported.