Diesel eclipsed $4 a gallon for the first time in nearly eight years, with a 6.8-cent jump pushing the national average to $4.019, according to Energy Information Administration data released Feb. 14.

The national average price for diesel continued its rampage in the new year, surging 10.5 cents to $3.951 a gallon, according to Energy Information Administration data released Feb. 7.

The national average price for diesel surged for the second straight week, climbing 6.8 cents to $3.725 a gallon, according to Energy Information Administration data released Jan. 17.

The national average price of diesel shot up 4.4 cents to $3.657 a gallon after seven consecutive declines, according to Energy Information Administration data released Jan. 10.

The national average price of diesel nudged down two-tenths of a cent to $3.613 a gallon, according to Energy Information Administration data released Jan. 3.

The national average price of diesel slid 2.3 cents to $3.626 a gallon in the fifth consecutive decline, according to Energy Information Administration data released Dec. 20.

The national average price for diesel dipped 2.5 cents to $3.649 a gallon, according to Energy Information Administration data released Dec. 13.

The national average price for diesel slipped 4.6 cents to $3.674 a gallon, according to Energy Information Administration data released Dec. 6.

The national average price for diesel dipped four-tenths of a cent to $3.720 a gallon, according to Energy Information Administration data released Nov. 29.

The national average price for a gallon of diesel reversed course as it dropped for the first time in more than two months, falling 1 cent to $3.724 a gallon, according to Energy Information Administration data released Nov. 22.