Diesel Falls to Its Lowest Price Since Mid-July

Drop of 9.3¢ Pins Trucking’s Main Fuel at $3.894 a Gallon
Truck stop at night
(vitpho/Getty Images)

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Diesel prices shed nearly another dime in the eighth consecutive weekly decline of the national average, the Energy Information Administration reported Dec. 18.

A drop of 9.3 cents a gallon brought the national average price down to $3.894, its lowest price in five months.


  • Two more regions dropped below the $4 mark this week, as the East Coast sunk to $3.969 and the Rocky Mountain region dropped to $3.933.
  • The West Coast ($4.655) and in particular California ($5.231) are tugging at the high end of the national average range.
  • All 10 regions saw declines over the past week, led by a 15.7-cent drop in the West Coast-less-California region.
  • Gasoline continued its charge toward a sub-$3 national average price with an 8.3-cent drop to $3.053 a gallon. It is below $3 in four of the 10 regions, led by $2.547 on the Gulf Coast. 

On-Highway Diesel Fuel Prices

Diesel prices for Dec. 18, 2023

Source: EIA.gov

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