Gas prices are up this week, according to an Energy Information Administration report (link opens as PDF) released Monday. 

Retail regular gasoline prices clocked in at a national average of $3.579 per gallon for March 31, $0.03 above the previous week's price tag. While Rocky Mountain pump prices managed to drop over the past week (down $0.006), the Midwest led the price spike with a $0.038 per gallon increase. 

Compared to a year ago, however, pump prices are still down $0.066. 

Source: EIA.gov. 

For the same period, average retail diesel prices dipped $0.013 for a national average of $3.975 per gallon. On a regional basis, East Coast prices made the deepest $0.021 decline, while Gulf Coast prices actually edged up $0.004. 

Over the last year, diesel prices have declined $0.018. 

Source: EIA.gov. 

At these latest prices, the West Coast pays the prettiest penny for gasoline ($3.852), while the East Coast dishes out $4.094 for diesel. On the other end, the Gulf Coast can guzzle gas for just $3.343 and diesel for $3.804 per gallon. 

link