Diesel prices jump 4.9 cents per gallon   

Weekly retail on-highway U.S. diesel prices increased by 4.9 cents to $3.116 per gallon. Prices had been stable for the prior four weeks but are now up more than 18 cents per gallon since early September. Prices have been in a fairly tight range since early March with a low of $2.899 and a high of $3.131, which is better illustrated in our second graph. Diesel prices peaked at $4.764 per gallon in July of 2008 and were above $3 per gallon from September 24, 2007 to November 3, 2008. Up until this week, prices in 2010 had fallen between pricing levels of the prior two years, but now exceed 2008 prices for the same week.