Average U.S. Gasoline Price Dips below $4 for First Time since July

The average price of regular gasoline in the United States dropped below $4 per gallon for the first time since the middle of July, amid a decline in international crude oil prices and a seasonal drop in demand.  As of early Tuesday, the national average gasoline price stood at $3.9788 per gallon, according to AAA data. That’s down from $4.1493 a week ago and from $4.3669 per gallon a month ago, but well above the seasonal norms.  At this time last year, the national average gasoline price was about a dollar lower, at $3.0707 a…