On the last day of 2012, prices for gasoline rose across the nation while the price of diesel saw a slight decrease.

On New Year's Eve, the U.S. DOE's Energy Information Administration reported that nationwide the price per gallon for diesel fell half of a cent. The price fell from $3.923 per gallon to $3.918, which is still 13.5 cents above where the price was a year ago.

The Rocky Mountain region experienced both the lowest diesel prices in the U.S. on average last week as well as the largest drop in diesel prices. The region saw with a 4.5-cent decrease and prices came to rest at $3.75 per gallon.

Prices on the East Coast continue to be the highest in the U.S. for diesel at $4.01 per gallon.

Gasoline prices, on the other hand, saw an average increase of 4.1 cents across the U.S. with the average price for a gallon of gasoline coming up to $3.30.

All regions in the U.S. reported an increase in gasoline prices with the exception of the Rocky Mountain region, where the price fell 8 cents to an average of $3.02 per gallon.

U.S. light, sweet crude oil futures for February saw a $1.74 increase in the price per barrel to $93.56. This is the highest price since Sept. Prices saw an increase after Congress finally approved a deal to avert the potential fiscal crisis.