U.S. drivers will pay an average of 24 cents more per gallon for gasoline during this summer’s travel season, the government said Tuesday. Gasoline will cost an average of $3.95 per gallon from April through September, an increase of 6.3 percent from the same period last year, the Energy Information Administration predicted. The peak should come in May, when gas averages $4.01 per gallon, the agency said.