Across the state of Pennsylvania, gas prices have fallen over the last month and are down almost five cents to $3.81 a gallon. For diesel customers, prices have risen slightly, up 11 cents from a month ago. For all customers, however, gas prices have fallen from last year. These trends are in line with national ones, gas prices are down 14 cents a gallon from last month. 

AAA is also reporting that gas prices have fallen across the key regional area of Erie. Those prices are down two cents over the last month to $3.93 a gallon. On the other side, in Mercer County, prices have risen nine cents to $3.93 over the last month. Both, however, are well below the more than $5 a gallon highs seen last June.