Thanksgiving travelers using I-80 may see some relief at the gas pump as the national average price for regular gasoline has fallen below $4 per gallon. According to American Automobile Association (AAA), the national average recently dropped to $3.9081 per gallon, nearly 20 cents lower than the previous week. AAA attributed the decline to lower crude oil prices, the seasonal shift to less-expensive winter-blend gasoline and reduced demand. The news comes...