The pain at the pump continues to grow in the Commonwealth as price tracking website Gasbuddy reports a nearly 19-cent-a gallon increase in the average price for a gallon of regular gas to $3.34. That’s close to 40 cents per gallon higher than a month ago and around 19 cents higher than a year ago. he national average price of gasoline is up 11.3 cents per gallon in the last week, averaging $3.39.