Trucking executives fear sharp hikes in the cost of diesel, and perhaps a shortage, as the industry competes for fuel with ocean carriers, which have a mandate to sharply reduce pollution in fewer than 90 days.

The U.S. average retail price of diesel dropped 0.7 cent to $2.976 per gallon, the Department of Energy reported Sept. 3, as the price of crude dropped 2% amid the ongoing U.S.-China trade dispute.

The U.S. average retail price of diesel dropped 1.1 cents to $2.983 per gallon, the Department of Energy reported Aug. 26, and the price of crude dropped to a two-week low amid the persistent tariff-related faceoff between the United States and China.

The U.S. average retail price of diesel dropped 1.7 cents to $2.994 a gallon, the Department of Energy reported Aug. 19. Crude oil prices lifted moderately to pass $56 a barrel as U.S.-China trade tensions eased somewhat, while a drone attack on an oil field in Saudi Arabia rekindled concerns over the oil supply chain.

The U.S. average retail price of diesel continued to drop, falling 2.1 cents to $3.011 a gallon, the Department of Energy reported Aug. 12.

The U.S. average retail price of diesel continued to drop Aug. 5, falling 0.2 cent to $3.032 a gallon, the Department of Energy reported July 29.

The U.S. average retail price of diesel dropped by 1 cent to $3.034 a gallon, the Department of Energy reported July 29.

The U.S. average retail price of diesel dropped by 0.7 cent to $3.044 a gallon, the Department of Energy reported July 22. Meanwhile, crude oil rose to slightly more than $56 a barrel during trading of West Texas Intermediate.

The U.S. average retail price of diesel dropped by 0.4 cent to $3.051 a gallon, the Department of Energy reported July 15. Meanwhile, crude oil slid to less than $59 a barrel during trading of West Texas Intermediate.

A leading trucking official said “there is definitely a shift going on” for the industry to address its critical shortage of technicians.