Gas prices are up again 3-cents a gallon nationally and 2-cents in Oregon to an average of $3.05.   Marie Dodds, at Triple-A says this is the first time that prices have been this high during the holidays. This is normally the low point for prices. Some analysts say that prices could again move above four dollars a gallon next year. Diesel is also up; 3-cents and $3.37 a gallon in Oregon. Bend’s average right now is right at $3.00 a gallon.