Gas prices are down a bit 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 $3.684 per gallon for May 5, $0.029 below last week's price tag. Midwest prices dropped the most by far ($0.067), while the Rocky Mountain region saw a $0.019 increase in gas prices. The West Coast is the only region averaging more than $4 per gallon of gas in the most recent week.

Compared to a year ago, pump prices are up $0.146. 


For the same period, average retail diesel prices fell $0.011 for a national average of $3.964 per gallon. On a regional basis, Midwest prices also made the deepest $0.012 dip, while Rocky Mountain prices eased down just $0.004 per gallon.

Over the past year, diesel prices have increased $0.119. 


At these latest prices, the West Coast pays the prettiest penny for gasoline ($4.055), while East Coast dishes out $4.055 for diesel. On the other end, the Gulf Coast can guzzle gas for just $3.465 and diesel for $3.813 per gallon.

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