The national average diesel fuel price decreased one cent from last week to $3.92 per gallon according to the EIA’s Gasoline and Diesel Fuel Update. The only region that did not have a price decrease from last week was the West Coast where the average diesel fuel price increased by less than a penny to remain at $4.03 per gallon. The Midwest had the largest price decrease this week, declining two cents to $3.88 per gallon. Both the Rocky Mountain and Gulf Coast’s average diesel fuel prices declined by one cent from last week to $3.94 per gallon and $3.78 per gallon respectively. The East Coast’s average diesel fuel price also decreased by one cent, but at $4.02 per gallon remains the second highest price in the nation.