For the first time since October 2012, diesel fuel prices in all regions of the nation are averaging above the $4/gal. mark.

The average U.S. retail price for regular motor gasoline has seen double-digit increases two of the last three weeks and is up 45¢/gal. since the beginning of the year, to $3.75/gal. on Feb. 18.

The U.S. Energy Information Administration (USEIA) reports that the average retail price of regular gasoline in the U.S. increased 14¢ to $3.75, up 16¢ from last year at the same time. The largest increase came in the Midwest, where the price increased 18¢ to $3.76/gal. The Gulf Coast price is $3.53, an increase of 15¢ from last week, while the Rocky Mountain price is up 14¢ to $3.41/gal. On the West Coast, the price increased 11¢, but remains just shy of the $4 mark at $3.97/gal. Rounding out the regions, the East Coast saw the smallest increase, 10¢, rising to $3.75/gal.

Meanwhile, the national average diesel fuel price increased 5¢ to $4.16/gal., 20¢ higher than last year at this time. For the first time since October 2012, diesel fuel prices in all regions of the nation are above the $4/gal. mark. The Gulf Coast and Rocky Mountain prices both increased 7¢, to $4.07 and $4.03/gal., respectively. The Midwest and East Coast prices were each up 5¢ to $4.13 and $4.20, respectively. The West Coast price is $4.30/gal., up 4¢ from last week.