Although it may not be the case in Great Bend, the average retail gasoline prices in Kansas have fallen 3.8 cents per gallon in the past week.The pump price was averaging $3.32 per gallon earlier this week, according to GasBuddy’s daily survey of 1,329 gas outlets in Kansas. This compares with the national average that has fallen 4.9 cents per gallon in the last week to $3.51. In Great Bend, the price remained at $3.43, where it has been for a number of weeks.Why has the price locally remained unchanged?