U.S. consumer demand isn’t strong enough to match refinery output, leaving gas prices relatively stable as summer travel season kicks in, AAA reported. The motor club reported a national average price for a gallon of regular unleaded gasoline at $2.37 for Tuesday, down a fraction of a percent from the previous day, and more or less unchanged from last week . Compared with a month ago, the price at the pump is about a half percent higher. Gas prices on this date in 2016 were lower by only 0.4 percent, or about a penny. Wide swings in some markets skewed the national average price somewhat as AAA said retail gasoline prices dropped in 60 percent of the U.S. states. […]