BLS average price
How much did diesel fuel cost in 2021?
Diesel fuel averaged $3.26 per gallon in 2021.
Related historical prices
Monthly diesel fuel prices in 2021
January 2021
$2.66 per gallon
February 2021
$2.80 per gallon
March 2021
$3.08 per gallon
April 2021
$3.13 per gallon
May 2021
$3.20 per gallon
June 2021
$3.27 per gallon
July 2021
$3.32 per gallon
August 2021
$3.35 per gallon
September 2021
$3.37 per gallon
October 2021
$3.55 per gallon
November 2021
$3.70 per gallon
December 2021
$3.66 per gallon