On April 17th the EIA reported the national average diesel fuel price fell four cents to $3.94 per gallon, 19 cents lower than last year at this time. All regions of the nation had a price decrease, with the largest decrease on the West Coast, where prices dropped five cents to $4.07 per gallon. The average price per gallon of diesel fuel is $3.85 on the Gulf Coast, four cents lower than last week. Both the East Coast and Midwest prices went down three cents to $3.98 per gallon on the East Coast and $3.92 per gallon in the Midwest. The Rocky Mountain price declined two cents to $3.88 per gallon.