Though gasoline prices are far below the historic average, there may be an increase ahead as demand increases this coming summer, motor club AAA said. “Despite falling for the majority of the previous month, retail averages maintain the potential to inch upward short-term as we approach the summer driving season,” said in its weekly report on retail gasoline prices. The national average price for a gallon of regular unleaded gasoline Tuesday was $2.38, relatively unchanged from last week, but 2.5 percent, or about 6 cents, lower than this time last month. The average national price is 32 percent, or $1.25 per gallon, less than it was on this date in 2014. Prices fluctuated around early February as refineries started a seasonal maintenance period […]