National diesel average sees its steepest decline in nearly a year

The national average price per gallon of diesel gasoline fell for the third straight week, according to data issued today by the Department of Energy’s Energy Information Administration (EIA).

With a 9.3-cent decline, the national average came in at $3.665 per gallon, following a 7.3-cent decline, to $3.758, for the week of December 1, and a 3.7-cent decline, to $3.831, for the week of November 24, for a cumulative 20.3-cent decline over that span. The 9.3-cent decline is the steepest since the week of December 9, 2024, when it fell 8.2 cents, to $3.458 per gallon.

The last three weeks of declines were preceded by four weeks of gains, including: a 3.1-cent gain, to $3.868, for the week of November 17;  an 8.4-cent increase, to $3.837, for the week of November 10, a 3.5-cent increase, to $3.753, for the week of November 3, and a 9.9-cent increase, to $3.718, for the week of October 27, with the national average rising a cumulative 24.9 cents over that period.

These gains were preceded by a 4.5-cent decline, to $3.620, for the week of October 20, a 4.6-cent decline, to $3.665, for the week of October 13, and a 4.3-cent decrease, to $3.711, for the week of October 6, for a collective 13.4-cent decline over that three-week period. Which was preceded by a $0.005-cent increase, to $3.754, for the week of September 29, and a $0.01-cent increase, to $3.749, for the week of September 22.

Before that, the national average saw a 2.7-cent decline, to $3.739, for the week of September 15, a 3.2-cent increase, to $3.7666, for the week of September 8, and a 2.6-cent increase, to $3.734, for the week of September 1, and hitting its highest weekly average since the week of July 28, at $3.805.

On an annual basis, the national average rose 20.7 cents, below the 21.8-cent annual increase a week ago.

WTI Crude is currently trading at $58.48 per barrel on the New York Mercantile Exchange.