Natalie Núñez TapiaU.S. gasoline prices fall to four-year low: Lundberg surveyverified_publisherReuters - Michelle Conlin(Reuters) - The average price of a gallon of gasoline in the United States has dropped one dollar since early May, the lowest price in more than four years, according to the Lundberg survey released Sunday. Prices for regular-grade gasoline fell to $2.72 a gallon, down 12 cents since the last survey …
