Diesel fuel rose two-tenths of a cent to $3.85 a gallon, its third increase in four weeks, while gasoline gained a nickel. Gas fuel rose to $3.439 a gallon marking its fifth increase in six weeks. Both fuels fell by less than a penny last week, with diesel fuel prices down 0.6 cent and gas down 0.2 cent. This week’s diesel uptick was just its third increase in the past 10 weeks. It had fallen for six straight weeks from late November through the start of the year. Trucking’s main fuel fell 22.7 cents in those six weeks. Through Monday, gasoline has cumulatively gained 21 cents in six weeks. Diesel fuel is now 41.2 cents over the same week last year, while gas is 33.8 cents over a year ago.